Mineral-containing composition including functional component

Abstract

To stably impart a health function to water, food, or a beverage without affecting its taste.SOLUTION: There is provided a mineral-containing composition to be added to food. In the mineral-containing composition, a metallic mineral-containing composition is present. In the mineral-containing composition, metal ions are present. Among the metal ions, a potassium ion is contained therein in a highest amount. The mineral-containing composition further includes one or more functional components selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine.SELECTED DRAWING: None

Description

Technical Field

[0001] The present invention relates to a mineral-containing composition capable of stably imparting health functions without affecting taste, and water, food, or beverage containing the mineral-containing composition.

Background Art

[0002] In recent years, against the backdrop of health consciousness and a preference for deliciousness, there has been an increasing social interest in safe and delicious water, and mineral water contained in containers such as plastic bottles is widely consumed around the world. However, waste from plastic containers such as plastic bottles has become a serious environmental problem, and there is a demand for the development of mineral water that can be easily provided at home, etc., as an alternative to bottled mineral water.

[0003] Also, for the purpose of supplementing mineral components, which are trace elements necessary for the physiological functions of the living body, drinking water with a high concentration of minerals added to purified water, etc. has also been developed. For example, Patent Document 1 discloses producing drinking water containing a high concentration of magnesium by mixing a high magnesium content concentrate with purified water. Patent Document 2 discloses producing a beverage by adding a mineral component composed of magnesium and calcium to water derived from deep ocean water. However, divalent metal ions are known to cause off-flavors such as bitterness and astringency, and water, food, or beverages containing these minerals at high concentrations have the drawback of being difficult to ingest.

[0004] Furthermore, Patent Document 3 discloses a method for producing mineral water characterized by eluting mineral components by immersing natural ores such as cloverite, tenshu stone, and tourmaline in water. However, this method has drawbacks such as the resulting mineral water containing undesirable components such as vanadium, which is considered harmful if ingested in excess, and low extraction efficiency of minerals. Also, Patent Document 4 discloses a method for producing mineral water by heating and extracting chicken manure charcoal with water, but chicken manure charcoal is not suitable as a raw material for food use. Patent Document 5 discloses a method for producing mineral water by boiling and extracting bamboo charcoal, and Patent Document 6 discloses a method for producing alkaline water by boiling and extracting charcoal. However, with the methods disclosed in these prior arts, it was not possible to efficiently extract mineral components to obtain mineral water containing only the desired mineral components.

[0005] In contrast, as disclosed in Patent Document 7, the inventors have successfully developed a mineral concentrate composition that can improve the flavor and function by adding it to water, food, beverages, etc.

[0006] So far, attempts have been made to add various functional components to water, beverages, etc. to add health functions. Most beverages in the world are acidic to neutral, while the mineral concentrate composition disclosed in Patent Document 7 is weakly alkaline and has a special property and composition containing a high concentration of mineral components. Therefore, even if it is a component known to dissolve in water, it is impossible to predict whether it can dissolve in the mineral concentrate composition. Also, it is known that the influence on taste varies depending on pH, and there was no knowledge regarding functional components that can stably impart health functions without affecting the taste with respect to mineral extracts.

Prior Art Documents

Patent Documents

[0007]

Patent Document 1

Patent Document 2

Patent Document 3

Patent Document 4

Patent Document 5

Patent Document 6

[0008] [Non-Patent Document 1 Ikuo Abe, Method for Producing Activated Carbon, Carbon Serial Lecture, 2006, No. 225, 373-381 [Summary of the Invention [Problems to be Solved by the Invention

[0009] An object of the present invention is to stably impart a health function to water, food, or beverages without affecting the taste. [Means for Solving the Problems

[0010] The present inventors have now found activated carbon derived from plant-derived raw materials such as coconut shell activated carbon as a natural material capable of eluting minerals using pure water, and as a result of intensive studies on the extraction conditions, have successfully produced a mineral extract rich in potassium, which is a mineral component extremely important for humans, simply and efficiently (Patent Document 7). Further, the present inventors have found that the mineral extract and the mineral concentrate obtained by concentrating the same not only contain a rich amount of potassium as a mineral component, but also have a significantly low content of divalent metal ions and chloride ions that cause off-flavors such as bitterness and astringency (Patent Document 7). Furthermore, as a result of intensive studies, the present inventors have now obtained a surprising finding that water added with the above mineral concentrate having special properties and composition, namely, sodium erythorbate, theanine, xylitol, and fluorine being weakly alkaline and containing a high concentration of mineral components, exhibits excellent appearance stability, and furthermore, does not affect the taste of the water added with the above mineral concentrate (i.e., is tasteless and odorless).

[0011] That is, the gist of the present invention resides in the following. [1] A mineral-containing composition, wherein among the metal ions present in the mineral-containing composition, potassium ions are contained in the highest content, and the mineral-containing composition further contains at least one functional component selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine. [2] The mineral-containing composition according to 1, wherein the mineral-containing composition is a concentrated solution. [3] The mineral-containing composition according to 1, wherein the potassium ion concentration of the mineral-containing composition is 1,000 ppm or more. [4] The mineral-containing composition according to 1, wherein the mineral-containing composition further contains chloride ions, calcium ions, magnesium ions, sodium ions, iron ions, zinc ions, silicon ions, and / or sulfate ions. [5] The mineral-containing composition according to 1, wherein the content of chloride ions in the mineral-containing composition is 50% or less of the potassium ion concentration. [6] The mineral-containing composition according to 1, wherein the content of calcium ions in the mineral-containing composition is 2.0% or less of the content of potassium ions. [7] The mineral-containing composition according to 1, wherein the content of magnesium ions in the mineral-containing composition is 1.0% or less of the content of potassium ions. [8] The mineral-containing composition according to 1, wherein the content of sodium in the mineral-containing composition is 5 to 45% of the content of potassium ions. [9] The mineral-containing composition according to 1, wherein the sodium erythorbate concentration of the mineral-containing composition is 2,000 to 200,000 ppm.

[10] The mineral-containing composition according to 1, wherein the theanine concentration of the mineral-containing composition is 2,000 to 200,000 ppm.

[11] The mineral-containing composition according to 1, wherein the xylitol concentration of the mineral-containing composition is 2,000 to 200,000 ppm.

[12] The mineral-containing composition according to 1, wherein the fluoride ion concentration of the mineral-containing composition is 100 to 50,000 ppm.

[13] The mineral-containing composition according to 1, characterized in that the mineral-containing composition contains an activated carbon extract of a plant-derived raw material.

[14] The mineral-containing composition according to 1, characterized in that the mineral-containing composition contains potassium carbonate and / or sodium hydrogen carbonate.

[15] The plant-derived raw material is selected from the fruit shells of coconut, palm, almond, walnut or plum; wood selected from sawdust, charcoal, resin or lignin; nest ash; bamboo; food residues selected from bagasse, rice husk, coffee bean or molasses; or a combination thereof. The mineral-containing composition according to 1, characterized in that it is selected from the above.

[16] Water, food or beverage, characterized in that it contains the mineral-containing composition according to any one of 1 to 15.

[17] The water, food or beverage according to 16, characterized in that it contains potassium ions at a concentration of 50 to 300 ppm as the added potassium ion concentration.

[18] The water, food or beverage according to 16, characterized in that it contains sodium erythorbate at a concentration of 1 to 300 ppm as the added sodium erythorbate concentration.

[19] The water, food or beverage according to 16, characterized in that it contains theanine at a concentration of 1 to 300 ppm as the added theanine concentration.

[20] The water, food or beverage according to 16, characterized in that it contains xylitol at a concentration of 1 to 300 ppm as the added xylitol concentration.

[21] The water, food or beverage according to 16, characterized in that it contains fluoride ions at a concentration of 0.1 to 5 ppm as the added fluoride concentration. [Effect of the Invention]

[0012] According to the present invention, it is possible to simply provide water, food, or beverages to which health functions brought about by one or more functional components selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine are stably imparted without affecting the taste.

Brief Description of the Drawings

[0013]

Figure 1

Figure 2

Embodiments for Carrying Out the Invention

[0014] The present invention relates to a mineral-containing composition, in which among the metal ions present in the mineral-containing composition, potassium ions are contained in the highest content, and the mineral-containing composition further contains one or more functional components selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine.

[0015] Potassium is one of the minerals necessary for the living body. In the living body, most of it exists inside cells and plays an important role in maintaining the osmotic pressure of cells and retaining intracellular water while interacting with sodium, which is abundant in extracellular fluid. Potassium, together with sodium, not only maintains the osmotic pressure of cells but also is responsible for functions such as maintaining acid-base balance, transmitting nerve stimuli, regulating heart and muscle functions, and regulating intracellular enzyme reactions. In addition, potassium is known to have an effect of lowering blood pressure by suppressing the reabsorption of sodium in the kidneys and promoting its excretion into urine. Thus, potassium is an extremely important mineral component for humans, but excessive potassium ions bring about off-flavors such as bitterness and astringency. Therefore, it is preferable to adjust the concentration of potassium added so that it becomes optimal in the mineral-containing composition of the present invention.

[0016] The mineral-containing composition of the present invention is typically a concentrated solution, and preferably contains a high concentration of mineral components. The potassium ion concentration of the mineral-containing composition of the present invention is, for example, 1,000 ppm or more, 2,000 ppm or more, 3,000 ppm or more, 4,000 ppm or more, 5,000 ppm or more, 6,000 ppm or more, 7,000 ppm or more, 8,000 ppm or more, 9,000 ppm or more, 10,000 ppm or more, 11,000 ppm or more, 12,000 ppm or more, 13,000 ppm or more, 14,000 ppm or more, 15,000 ppm or more, 16,000 ppm or more, 17,000 ppm or more, 18,000 ppm or more, 19,000 ppm or more, 20,000 ppm or more, 21,000 ppm or more, 22,000 ppm or more, 23,000 ppm or more, 24,000 ppm or more, 25,000 ppm or more, 26,000 ppm or more, 27,000 ppm or more, 28,000 ppm or more, 29,000 ppm or more, 30,000 ppm or more, 31,000 ppm or more, 32,000 ppm or more, 33,000 ppm or more, 34,000 ppm or more, 35,000 ppm or more, 36,000 ppm or more, 37,000 ppm or more, 38,000 ppm or more, 39,000 ppm or more, 40,000 ppm or more, 41,000 ppm or more, 42,000 ppm or more, 43,000 ppm or more, 44,000 ppm or more, 45,000 ppm or more, 46,000 ppm or more, 47,000 ppm or more, 48,000 ppm or more, 49,000 ppm or more, 50,000 ppm or more, 51,000 ppm or more, 52,000 ppm or more, 53,000 ppm or more, 54,000 ppm or more, 55,000 ppm or more, 56,000 ppm or more, 57,000 ppm or more, 58,000 ppm or more, 59,000 ppm or more, 60,000 ppm or more, 61,000 ppm or more, 62,000 ppm or more, 63,000 ppm or more, 64,000 ppm or more, 65,000 ppm or more, 66,000 ppm or more, 67,000 ppm or more, 68,000 ppm or more, 69,000 ppm or more, 70,000 ppm or more, 71,000 ppm or more, 72,000 ppm or more, 73,000 ppm or more, 74,000 ppm or more, 75,000 ppm or more, 76,000 ppm or more, 77,000 ppm or more, 78,It may be 000 ppm or more, 79,000 ppm or more, 80,000 ppm or more, 81,000 ppm or more, 82,000 ppm or more, 83,000 ppm or more, 84,000 ppm or more, 85,000 ppm or more, 86,000 ppm or more, 87,000 ppm or more, 88,000 ppm or more, 89,000 ppm or more, 90,000 ppm or more, 91,000 ppm or more, 92,000 ppm or more, 93,000 ppm or more, 94,000 ppm or more, 95,000 ppm or more, 96,000 ppm or more, 97,000 ppm or more, 98,000 ppm or more, 99,000 ppm or more, 100,000 ppm or more, 110,000 ppm or more, 120,000 ppm or more, 130,000 ppm or more, 140,000 ppm or more, 150,000 ppm or more, 160,000 ppm or more, 170,000 ppm or more, 180,000 ppm or more, 190,000 ppm or more, 200,000 ppm or more.,

[0017] The mineral-containing composition of the present invention may further contain chloride ions, calcium ions, magnesium ions, sodium ions, iron ions, zinc ions, silicon ions, and / or sulfate ions.

[0018] Naturally occurring water contains a certain amount of chloride ions, many of which are derived from geology and seawater. When the chloride ions are present at 250 to 400 mg / l or more, they may give a salty taste to people with a sensitive sense of taste and may impair the taste. Therefore, it is preferable that the content of chloride ions in the mineral-containing composition of the present invention is as low as possible. The content of chloride ions in the mineral-containing composition of the present invention may be, for example, 50% or less, 49% or less, 48% or less, 47% or less, 46% or less, 45% or less, 44% or less, 43% or less, 42% or less, 41% or less, 40% or less, 39% or less, 38% or less, 37% or less, 36% or less, 35% or less, 34% or less, 33% or less, 32% or less, 31% or less, 30% or less, 29% or less, 28% or less, 27% or less, 26% or less, 25% or less, 24% or less, 23% or less, 22% or less, 21% or less, 20% or less, 19% or less, 18% or less, 17% or less, 16% or less, 15% or less, 14% or less, 13% or less, 12% or less, 11% or less, 10% or less, 9% or less, 8% or less, 7% or less, 6% or less, 5% or less, 4% or less, 3% or less, 2% or less, or 1% or less of the content of the potassium ions.

[0019] Calcium is known to form a skeleton as hydroxyapatite together with phosphorus in the living body and to be involved in muscle contraction. Magnesium is known to be involved in the formation of bones and teeth and many in vivo enzyme reactions and energy production in the living body. Also, the content of calcium ions and magnesium ions in water is known to affect the taste, and when the index (hardness) of the total content of calcium and magnesium among the minerals contained in water is less than a certain level, it is called soft water, and when it is more, it is called hard water. Generally, mineral water produced in Japan is mostly soft water, and that produced in Europe is mostly hard water. According to the WHO standard, in terms of American hardness (mg / l) obtained by converting the amount of these salts into calcium carbonate, those with 0 - 60 are soft water, those with 120 - 180 are hard water, and those with 180 or more are very hard water. Generally, water with an appropriate hardness (10 - 100 mg / l) is considered delicious, and especially when the magnesium content is high, the bitterness becomes strong and it becomes difficult to drink. Also, if the hardness is too high, it not only affects the taste but also stimulates the gastrointestinal tract and causes diarrhea, etc., which is not preferable. The content of calcium ions in the mineral-containing composition of the present invention may be, for example, 2.0% or less, 1.9% or less, 1.8% or less, 1.7% or less, 1.6% or less, 1.5% or less, 1.4% or less, 1.3% or less, 1.2% or less, 1.1% or less, 1.0% or less, 0.9% or less, 0.8% or less, 0.7% or less, 0.6% or less, 0.5% or less, 0.4% or less, 0.3% or less, 0.2% or less, 0.1% or less, 0.09% or less, 0.08% or less, 0.07% or less, 0.06% or less, 0.05% or less, 0.04% or less, 0.03% or less, 0.02% or less, or 0.01% or less of the content of the potassium ions. Also, the content of magnesium ions in the mineral-containing composition of the present invention may be, for example, 1.0% or less, 0.9% or less, 0.8% or less, 0.7% or less, 0.6% or less, 0.5% or less, 0.4% or less, 0.3% or less, 0.2% or less, 0.1% or less, 0.09% or less, 0.08% or less, 0.07% or less, 0.06% or less, 0.05% or less, 0.04% or less, 0.03% or less, 0.02% or less, or 0.01% or less of the content of the potassium ions.

[0020] Sodium maintains the extracellular fluid volume and the volume of circulating blood while retaining water in the living body, and regulates blood pressure. It is known that to effectively replenish water in the body, it is advisable to ingest a certain amount of sodium ions, which is particularly effective for preventing heat stroke. However, if sodium is ingested in excess, since this fluid volume increases, there is a risk of increased blood pressure or swelling. Also, as the sodium ion content increases, a salty taste and a slimy feeling may occur, and the refreshing feeling of the beverage may be impaired. The sodium content in the mineral-containing composition of the present invention may be, for example, 5 to 45%, 5 to 40%, 5 to 35%, 5 to 30%, 5 to 25%, 5 to 20%, 5 to 15%, 5 to 10%, 10 to 45%, 10 to 40%, 10 to 35%, 10 to 30%, 10 to 25%, 10 to 20%, 10 to 15%, 15 to 45%, 15 to 40%, 15 to 35%, 15 to 30%, 15 to 25%, 15 to 20%, 20 to 45%, 20 to 40%, 20 to 35%, 20 to 30%, 20 to 25%, 25 to 50%, 25 to 45%, 25 to 40%, 25 to 35%, 25 to 30%, 30 to 45%, 30 to 40%, 30 to 35%, 35 to 45%, 35 to 40%, or 40 to 45% of the potassium ion content.

[0021] The mineral-containing composition of the present invention can be produced from an activated carbon extract of a plant-derived raw material. Activated carbon is a porous substance composed of mostly carbon, oxygen, hydrogen, calcium, etc., and has a large surface area per volume, so it has the property of adsorbing many substances. Therefore, it has been widely produced industrially from the early 20th century to the present. Generally, activated carbon is produced by generating micropores on the order of nm inside the carbon material used as the raw material (activation). The production method of activated carbon is roughly classified into a gas activation method in which the raw material is carbonized and then activated at a high temperature using an activation gas such as steam or carbon dioxide, and a chemical activation method in which a chemical such as zinc chloride or phosphoric acid is added to the raw material and then heated in an inert gas atmosphere to perform carbonization and activation simultaneously (Non-Patent Document 1). The activated carbon used in the present invention can be produced by either the gas activation method or the chemical activation method using a plant-derived raw material as the carbon material.

[0022] The raw material of the activated carbon used in the present invention is not particularly limited as long as it is a plant-derived raw material. For example, fruit shells (coconut, palm, almond, walnut, plum), wood (sawdust, charcoal, resin, lignin), nest ash (carbide of sawdust), bamboo, food residues (bagasse, rice husk, coffee bean, molasses), waste (pulp mill waste liquid, construction waste materials), etc. can be mentioned. Typically, it is selected from coconut shells, sawdust, bamboo, or a combination thereof, and preferably, it is coconut shells. Coconut shells mean the shells called the shells in the fruits of coconut or palm.

[0023] The shape of the activated carbon used in the present invention is not particularly limited. For example, powdered activated carbon, granular activated carbon (crushed carbon, granular carbon, formed carbon), fibrous activated carbon, or special formed activated carbon, etc. can be mentioned.

[0024] The step of extracting minerals from plant-derived raw material activated carbon using an aqueous solvent is achieved by bringing the plant-derived raw material activated carbon into contact with the aqueous solvent to elute the minerals present in the plant-derived raw material activated carbon. Such a step is not particularly limited as long as it can elute the minerals present in the plant-derived raw material activated carbon. For example, it can be carried out by immersing the plant-derived raw material activated carbon in the aqueous solvent or passing the aqueous solvent through a column filled with the plant-derived raw material activated carbon. When immersing the plant-derived raw material activated carbon in the aqueous solvent, the aqueous solvent may be stirred to increase the extraction efficiency. Further, the method for producing the mineral extract of the present invention may further include a step of centrifuging and / or filtering the obtained extract to remove impurities after extracting minerals from the plant-derived raw material activated carbon using an aqueous solvent.

[0025] In the step of extracting minerals from activated carbon of plant-derived raw materials using an aqueous solvent, the aqueous solvent basically refers to something other than an HCl solution. Typically, it is an aqueous solvent, and particularly preferably pure water. Pure water means water with a high purity that contains little or no impurities such as salts, residual chlorine, insoluble fine particles, organic substances, and non-electrolytic gases. Pure water includes RO water (water passed through a reverse osmosis membrane), deionized water (water from which ions have been removed by an ion exchange resin or the like), distilled water (water distilled in a distiller), etc. by methods of removing impurities. Since pure water does not contain mineral components, it does not show the effect of replenishing minerals.

[0026] As long as minerals can be extracted from the activated carbon of plant-derived raw materials using an aqueous solvent, the extraction temperature is not particularly limited. However, the step of extracting minerals from the activated carbon of plant-derived raw materials using an aqueous solvent can be carried out at a temperature of 5°C or higher, 10°C or higher, 15°C or higher, 20°C or higher, 25°C or higher, 30°C or higher, 35°C or higher, 40°C or higher, 45°C or higher, 50°C or higher, 55°C or higher, 60°C or higher, 65°C or higher, 70°C or higher, 75°C or higher, 80°C or higher, 85°C or higher, 90°C or higher, or 95°C or higher. For example, it can be carried out at a temperature of 5 - 95°C, 5 - 90°C, 5 - 85°C, 5 - 80°C, 5 - 75°C, 5 - 70°C, 5 - 65°C, 5 - 60°C, 5 - 55°C, 5 - 50°C, 5 - 45°C, 5 - 40°C, 5 - 35°C, 5 - 30°C, 5 - 25°C, 5 - 20°C, 5 - 15°C, 5 - 10°C, 10 - 95°C, 10 - 90°C, 10 - 85°C, 10 - 80°C, 10 - 75°C, 10 - 70°C, 10 - 65°C, 10 - 60°C, 10 - 55°C, 10 - 50°C, 10 - 45°C, 10 - 40°C, 10 - 35°C, 10 - 30°C, 10 - 25°C, 10 - 20°C, 10 - 15°C, 15 - 95°C, 15 - 90°C, 15 - 85°C, 15 - 80°C, 15 - 75°C, 15 - 70°C, 15 - 65°C, 15 - 60°C, 15 - 55°C, 15 - 50°C, 15 - 45°C, 15 - 40°C, 15 - 35°C, 15 - 30°C, 15 - 25°C, 15 - 20°C, 20 - 95°C, 20 - 90°C, 20 - 85°C, 20 - 80°C, 20 - 75°C, 20 - 70°C, 20 - 65°C, 20 - 60°C, 20 - 55°C, 20 - 50°C, 20 - 45°C, 20 - 40°C, 20 - 35°C, 20 - 30°C, 20 - 25°C, 25 - 95°C, 25 - 90°C, 25 - 85°C, 25 - 80°C, 25 - 75°C, 25 - 70°C, 25 - 65°C, 25 - 60°C, 25 - 55°C, 25 - 50°C, 25 - 45°C, 25 - 40°C, 25 - 35°C, 25 - 30°C, 30 - 95°C, 30 - 90°C, 30 - 85°C, 30 - 80°C, 30 - 75°C, 30 - 70°C, 30 - 65°C, 30 - 60°C, 30 - 55°C, 30 - 50°C, 30 - 45°C, 30 - 40°C, 30 - 35°C, 35 - 95°C, 35 - 90°C, 35 - 85°C, 35 - 80°C, 35 - 75°C, 35 - 70°C, 35 - 65°C, 35 - 60°C, 35 - 55°C, 35 - 50°C, 35 - 45°C, 35 - 40°C, 40 - 95°C, 40 - 90°C, 40 - 85°C, 40 - 80°C, 40 - 75°C, 40 - 70°C, 40 - 65°C, 40 - 60°C, 40 - 55°C, 40 - 50°C,It is carried out at a temperature of 40 - 45°C, 45 - 95°C, 45 - 90°C, 45 - 85°C, 45 - 80°C, 45 - 75°C, 45 - 70°C, 45 - 65°C, 45 - 60°C, 45 - 55°C, 45 - 50°C, 50 - 95°C, 50 - 90°C, 50 - 85°C, 50 - 80°C, 50 - 75°C, 50 - 70°C, 50 - 65°C, 50 - 60°C, 50 - 55°C, 55 - 95°C, 55 - 90°C, 55 - 85°C, 55 - 80°C, 55 - 75°C, 55 - 70°C, 55 - 65°C, 55 - 60°C, 60 - 95°C, 60 - 90°C, 60 - 85°C, 60 - 80°C, 60 - 75°C, 60 - 70°C, 60 - 65°C, 65 - 95°C, 65 - 90°C, 65 - 85°C, 65 - 80°C, 65 - 75°C, 65 - 70°C, 70 - 95°C, 70 - 90°C, 70 - 85°C, 70 - 80°C, 70 - 75°C, 75 - 95°C, 75 - 90°C, 75 - 85°C, 75 - 80°C, 80 - 95°C, 80 - 90°C, 80 - 85°C, 85 - 95°C, 85 - 90°C, or 90 - 95°C.

[0027] The extraction time is not particularly limited as long as minerals can be extracted from the plant-derived activated carbon using an aqueous solvent. However, the step of extracting minerals from the plant-derived activated carbon using an aqueous solvent can be carried out for a time of 5 minutes or more, 10 minutes or more, 15 minutes or more, 20 minutes or more, 25 minutes or more, 30 minutes or more, 35 minutes or more, 40 minutes or more, 45 minutes or more, 50 minutes or more, 55 minutes or more, 60 minutes or more, 65 minutes or more, 70 minutes or more, 75 minutes or more, or 80 minutes or more. For example, it can be carried out for 5 to 80 minutes, 5 to 75 minutes, 5 to 70 minutes, 5 to 65 minutes, 5 to 60 minutes, 5 to 55 minutes, 5 to 50 minutes, 5 to 45 minutes, 5 to 40 minutes, 5 to 35 minutes, 5 to 30 minutes, 5 to 25 minutes, 5 to 20 minutes, 5 to 15 minutes, 5 to 10 minutes, 10 to 80 minutes, 10 to 75 minutes, 10 to 70 minutes, 10 to 65 minutes, 10 to 60 minutes, 10 to 55 minutes, 10 to 50 minutes, 10 to 45 minutes, 10 to 40 minutes, 10 to 35 minutes, 10 to 30 minutes, 10 to 25 minutes, 10 to 20 minutes, 10 to 15 minutes, 15 to 80 minutes, 15 to 75 minutes, 15 to 70 minutes, 15 to 65 minutes, 15 to 60 minutes, 15 to 55 minutes, 15 to 50 minutes, 15 to 45 minutes, 15 to 40 minutes, 15 to 35 minutes, 15 to 30 minutes, 15 to 25 minutes, 15 to 20 minutes, 20 to 80 minutes, 20 to 75 minutes, 20 to 70 minutes, 20 to 65 minutes, 20 to 60 minutes, 20 to 55 minutes, 20 to 50 minutes, 20 to 45 minutes, 20 to 40 minutes, 20 to 35 minutes, 20 to 30 minutes, 20 to 25 minutes, 25 to 80 minutes, 25 to 75 minutes, 25 to 70 minutes, 25 to 65 minutes, 25 to 60 minutes, 25 to 55 minutes, 25 to 50 minutes, 25 to 45 minutes, 25 to 40 minutes, 25 to 35 minutes, 25 to 30 minutes, 30 to 80 minutes, 30 to 75 minutes, 30 to 70 minutes, 30 to 65 minutes, 30 to 60 minutes, 30 to 55 minutes, 30 to 50 minutes, 30 to 45 minutes, 30 to 40 minutes, 30 to 35 minutes, 35 to 80 minutes, 35 to 75 minutes, 35 to 70 minutes, 35 to 65 minutes, 35 to 60 minutes, 35 to 55 minutes, 35 to 50 minutes, 35 to 45 minutes, 35 to 40 minutes, 40 to 80 minutes, 40 to 75 minutes, 40 to 70 minutes, 40 to 65 minutes, 40 to 60 minutes, 40 to 55 minutes, 40 to 50 minutes, 40 to 45 minutes, 45 to 80 minutes, 45 to 75 minutes, 45 to 70 minutes, 45 to 65 minutes, 45 to 60 minutes, 45 to 55 minutes, 45 to 50 minutes, 50 to 80 minutes, 50 to 75 minutes, 50 to 70 minutes, 50 to 65 minutes, 50 to 60 minutes, 50 to 55 minutes, 55 to 80 minutes, 55 to 75 minutes, 55 to 70 minutes, 55 to 65 minutes, 55 to 60 minutes, 60 to 80 minutes, 60 to 75 minutes, 60 to 70 minutes, 60 to 65 minutes, 65 to 80 minutes, 65 to 75 minutes, 65 to 70 minutes,It is carried out in a time of 70 - 80 minutes, 70 - 75 minutes, or 75 - 80 minutes.

[0028] The extract thus obtained can be concentrated by methods well known in the art. Such methods include, for example, boiling concentration, vacuum concentration, freeze concentration, membrane concentration, or ultrasonic atomization separation, etc. By concentrating the mineral extract, a mineral concentrate composition containing desired minerals such as high - concentration potassium can be obtained with little change in its composition.

[0029] After the step of concentrating the mineral extract, it is preferable to refrigerate and filter the obtained mineral concentrate composition while it is cold. The cooling temperature is typically adjusted to 0 - 15°C, preferably 3 - 10°C, 3 - 9°C, 3 - 8°C, 3 - 7°C, 3 - 6°C. Also, it is preferable to adjust the pH of the mineral concentrate composition before such refrigeration and cold filtration. In this case, the mineral concentrate composition is adjusted to have a pH of, for example, 7.5 - 10.5, 7.5 - 10.0, 7.5 - 9.5, 7.5 - 9.0, 7.5 - 8.5, 7.5 - 8.0, 8.0 - 10.5, 8.0 - 10.0, 8.0 - 9.5, 8.0 - 9.0, 8.0 - 8.5, 8.5 - 10.5, 8.5 - 10.0, 8.5 - 9.5, 8.5 - 9.0, 9.0 - 10.5, 9.0 - 10.0, 9.0 - 9.5, 9.5 - 10.5, 9.5 - 10.0, or 10.0 - 10.5. By performing such treatment, a mineral concentrate composition with high transparency and significantly reduced suspended matter and precipitates can be obtained.

[0030] The mineral concentrate composition thus obtained has a pH of, for example, 7.5 to 10.5, 7.5 to 10.0, 7.5 to 9.5, 7.5 to 9.0, 7.5 to 8.5, 7.5 to 8.0, 8.0 to 10.5, 8.0 to 10.0, 8.0 to 9.5, 8.0 to 9.0, 8.0 to 8.5, 8.5 to 10.5, 8.5 to 10.0, 8.5 to 9.5, 8.5 to 9.0, 9.0 to 10.5, 9.0 to 10.0, 9.0 to 9.5, 9.5 to 10.5, 9.5 to 10.0, or 10.0 to 10.5. The mineral concentrate composition may have buffering capacity, and the water added with the mineral concentrate composition preferably has significant buffering capacity in the pH range from weakly alkaline to weakly acidic. For example, when titrating 100 g of a sodium hydroxide solution adjusted to pH 9.2 with 0.1 M hydrochloric acid and the volume of the solution required from pH 9.2 to pH 3.0 is taken as (A) mL, and the water added with the mineral-containing composition of the present invention is titrated with 0.1 M hydrochloric acid and the volume of the solution required from pH 9.2 to pH 3.0 is taken as (B) mL, when the ratio (B) / (A) is defined as the buffering capacity, the water added with the mineral-containing composition of the present invention has a buffering capacity of, for example, 1.5 or more, 1.6 or more, 1.7 or more, 1.8 or more, 1.9 or more, 2.0 or more, 2.1 or more, 2.2 or more, 2.3 or more, 2.4 or more, 2.5 or more, 2.6 or more, 2.7 or more, 2.8 or more, 2.9 or more, 3.0 or more, 3.5 or more, 4.0 or more, 4.5 or more, 5.0 or more, 5.5 or more, 6.0 or more, 6.5 or more, 7.0 or more, 7.5 or more, 8.0 or more, 8.5 or more, 9.0 or more, 9.5 or more, 10.0 or more, 10.5 or more, 11.0 or more, or 11.5 or more.

[0031] The mineral-containing composition of the present invention can typically be obtained by adding one or more functional components selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine to the above mineral concentrate composition.

[0032] Sodium erythorbate is a food additive used in meat, soft drinks, etc., and is the sodium salt of erythorbic acid, which is a stereoisomer of L-ascorbic acid (vitamin C). Sodium erythorbate is typically produced from saccharides derived from table beet, sugarcane, corn, etc. Sodium erythorbate is known to improve flavor stability and prevent the formation of carcinogenic nitrosamines, and is considered effective in preventing the oxidation of vitamin C due to its strong reducing power. The concentration of sodium erythorbate in the mineral-containing composition of the present invention is preferably adjusted so that the concentration of sodium erythorbate added to water, food or beverage is about 1 ppm to 300 ppm.The sodium erythorbate concentration of the mineral-containing composition of the present invention is, for example, 2,000 to 200,000 ppm, and the lower limit value thereof may be 2,500 ppm or more, 3,000 ppm or more, 3,500 ppm or more, 4,000 ppm or more, 4,500 ppm or more, 5,000 ppm or more, 5,500 ppm or more, 6,000 ppm or more, 6,500 ppm or more, 7,000 ppm or more, 7,500 ppm or more, 8,000 ppm or more, 8,500 ppm or more, 9,000 ppm or more, 9,500 ppm or more, 10,000 ppm or more, 20,000 ppm or more, 30,000 ppm or more, 40,000 ppm or more, 50,000 ppm or more, 60,000 ppm or more, 70,000 ppm or more, 80,000 ppm or more, 90,000 ppm or more, 100,000 ppm or more, 110,000 ppm or more, 120,000 ppm or more, 130,000 ppm or more, 140,000 ppm or more, 150,000 ppm or more, 160,000 ppm or more, 170,000 ppm or more, 180,000 ppm or more, or 190,000 ppm or more, and the upper limit value thereof may be 2,500 ppm or less, 3,000 ppm or less, 3,500 ppm or less, 4,000 ppm or less, 4,500 ppm or less, 5,000 ppm or less, 5,500 ppm or less, 6,000 ppm or less, 6,500 ppm or less, 7,000 ppm or less, 7,500 ppm or less, 8,000 ppm or less, 8,500 ppm or less, 9,000 ppm or less, 9,500 ppm or less, 10,000 ppm or less, 20,000 ppm or less, 30,000 ppm or less, 40,000 ppm or less, 50,000 ppm or less, 60,000 ppm or less, 70,000 ppm or less, 80,000 ppm or less, 90,000 ppm or less, 100,000 ppm or less, 110,000 ppm or less, 120,000 ppm or less, 130,000 ppm or less, 140,000 ppm or less, 150,000 ppm or less, 160,000 ppm or less, 170,000 ppm or less, 180,000 ppm or less, or 190,000 ppm or less.

[0033] Theanine is one of the amino acids contained in a large amount in tea and is known as one of the umami components of tea. As the main functions of theanine, for example, relaxation effect, hypnotic effect, improvement of concentration, improvement of cold sensitivity, etc. are known. The theanine concentration of the mineral-containing composition of the present invention is preferably prepared such that the theanine concentration added to water, food or beverage is about 1 ppm to 300 ppm.The theanine concentration of the mineral-containing composition of the present invention is, for example, 2,000 to 200,000 ppm, and the lower limit value thereof may be 2,500 ppm or more, 3,000 ppm or more, 3,500 ppm or more, 4,000 ppm or more, 4,500 ppm or more, 5,000 ppm or more, 5,500 ppm or more, 6,000 ppm or more, 6,500 ppm or more, 7,000 ppm or more, 7,500 ppm or more, 8,000 ppm or more, 8,500 ppm or more, 9,000 ppm or more, 9,500 ppm or more, 10,000 ppm or more, 20,000 ppm or more, 30,000 ppm or more, 40,000 ppm or more, 50,000 ppm or more, 60,000 ppm or more, 70,000 ppm or more, 80,000 ppm or more, 90,000 ppm or more, 100,000 ppm or more, 110,000 ppm or more, 120,000 ppm or more, 130,000 ppm or more, 140,000 ppm or more, 150,000 ppm or more, 160,000 ppm or more, 170,000 ppm or more, 180,000 ppm or more, or 190,000 ppm or more, and the upper limit value thereof may be 2,500 ppm or less, 3,000 ppm or less, 3,500 ppm or less, 4,000 ppm or less, 4,500 ppm or less, 5,000 ppm or less, 5,500 ppm or less, 6,000 ppm or less, 6,500 ppm or less, 7,000 ppm or less, 7,500 ppm or less, 8,000 ppm or less, 8,500 ppm or less, 9,000 ppm or less, 9,500 ppm or less, 10,000 ppm or less, 20,000 ppm or less, 30,000 ppm or less, 40,000 ppm or less, 50,000 ppm or less, 60,000 ppm or less, 70,000 ppm or less, 80,000 ppm or less, 90,000 ppm or less, 100,000 ppm or less, 110,000 ppm or less, 120,000 ppm or less, 130,000 ppm or less, 140,000 ppm or less, 150,000 ppm or less, 160,000 ppm or less, 170,000 ppm or less, 180,000 ppm or less, or 190,000 ppm or less.

[0034] Xylitol is a type of sugar alcohol synthesized from xylose and also exists naturally, contained in strawberries, raspberries, lettuce, spinach, etc. The main functions of xylitol are known to include improvement of oral hygiene, prevention of diabetes, improvement of bone density, prevention of acute otitis media, etc. The xylose concentration of the mineral-containing composition of the present invention is preferably adjusted so that the xylose concentration added to water, food or beverage is about 1 ppm to 300 ppm.The xylitol concentration of the mineral-containing composition of the present invention is, for example, 2,000 to 200,000 ppm, and the lower limit value thereof may be 2,500 ppm or more, 3,000 ppm or more, 3,500 ppm or more, 4,000 ppm or more, 4,500 ppm or more, 5,000 ppm or more, 5,500 ppm or more, 6,000 ppm or more, 6,500 ppm or more, 7,000 ppm or more, 7,500 ppm or more, 8,000 ppm or more, 8,500 ppm or more, 9,000 ppm or more, 9,500 ppm or more, 10,000 ppm or more, 20,000 ppm or more, 30,000 ppm or more, 40,000 ppm or more, 50,000 ppm or more, 60,000 ppm or more, 70,000 ppm or more, 80,000 ppm or more, 90,000 ppm or more, 100,000 ppm or more, 110,000 ppm or more, 120,000 ppm or more, 130,000 ppm or more, 140,000 ppm or more, 150,000 ppm or more, 160,000 ppm or more, 170,000 ppm or more, 180,000 ppm or more, or 190,000 ppm or more, and the upper limit value thereof may be 2,500 ppm or less, 3,000 ppm or less, 3,500 ppm or less, 4,000 ppm or less, 4,500 ppm or less, 5,000 ppm or less, 5,500 ppm or less, 6,000 ppm or less, 6,500 ppm or less, 7,000 ppm or less, 7,500 ppm or less, 8,000 ppm or less, 8,500 ppm or less, 9,000 ppm or less, 9,500 ppm or less, 10,000 ppm or less, 20,000 ppm or less, 30,000 ppm or less, 40,000 ppm or less, 50,000 ppm or less, 60,000 ppm or less, 70,000 ppm or less, 80,000 ppm or less, 90,000 ppm or less, 100,000 ppm or less, 110,000 ppm or less, 120,000 ppm or less, 130,000 ppm or less, 140,000 ppm or less, 150,000 ppm or less, 160,000 ppm or less, 170,000 ppm or less, 180,000 ppm or less, or 190,000 ppm or less.

[0035] Fluorine is a type of mineral and is also contained in foods, and is abundant in seafood such as sardines and mackerel, and matcha tea. The main functions of fluorine are known to include prevention of dental caries and prevention of osteoporosis. In particular, fluorine has attracted attention as a dental care component for preventing dental caries, and products such as drinking water, toothpaste, and mouthwash containing fluorine are known. The fluoride ion concentration of the mineral-containing composition of the present invention is preferably adjusted so that the fluoride ion concentration added to water, food, or beverage is about 0.1 ppm to 5 ppm. The fluoride ion concentration of the mineral-containing composition of the present invention is, for example, 100 to 50,000 ppm, and the lower limit value thereof is 150 ppm or more, 200 ppm or more, 250 ppm or more, 300 ppm or more, 350 ppm or more, 400 ppm or more, 450 ppm or more, 500 ppm or more, 550 ppm or more, 600 ppm or more, 650 ppm or more, 700 ppm or more, 750 ppm or more, 800 ppm or more, 850 ppm or more, 900 ppm or more, 950 ppm or more, 1,000 ppm or more, 1,100 ppm or more, 1,200 ppm or more, 1,300 ppm or more, 1,400 ppm or more, 1,500 ppm or more, 1,600 ppm or more, 1,700 ppm or more, 1,800 ppm or more, 1,900 ppm or more, 2,000 ppm or more, 2,500 ppm or more, 3,000 ppm or more, 3,500 ppm or more, 4,000 ppm or more, 4,500 ppm or more, 5,000 ppm or more, 5,500 ppm or more, 6,000 ppm or more, 6,500 ppm or more, 7,000 ppm or more, 7,500 ppm or more, 8,000 ppm or more, 8,500 ppm or more, 9,000 ppm or more, 9,500 ppm or more, 10,000 ppm or more, 15,000 ppm or more, 20,000 ppm or more, 25,000 ppm or more, 30,000 ppm or more, 35,000 ppm or more, 40,000 ppm or more, or 45,000 ppm or more, and the upper limit value thereof is 150 ppm or less, 200 ppm or less, 250 ppm or less, 300 ppm or less, 350 ppm or less, 400 ppm or less, 450 ppm or less, 500 ppm or less, 550 ppm or less, 600 ppm or less, 650 ppm or less, 700 ppm or less, 750 ppm or less, 800 ppm or less, 850 ppm or less, 900 ppm or less, 950 ppm or less, 1,000 ppm or less, 1,It may be 100 ppm or less, 1,200 ppm or less, 1,300 ppm or less, 1,400 ppm or less, 1,500 ppm or less, 1,600 ppm or less, 1,700 ppm or less, 1,800 ppm or less, 1,900 ppm or less, 2,000 ppm or less, 2,500 ppm or less, 3,000 ppm or less, 3,500 ppm or less, 4,000 ppm or less, 4,500 ppm or less, 5,000 ppm or less, 5,500 ppm or less, 6,000 ppm or less, 6,500 ppm or less, 7,000 ppm or less, 7,500 ppm or less, 8,000 ppm or less, 8,500 ppm or less, 9,000 ppm or less, 9,500 ppm or less, 10,000 ppm or less, 15,000 ppm or less, 20,000 ppm or less, 25,000 ppm or less, 30,000 ppm or less, 35,000 ppm or less, 40,000 ppm or less, or 45,000 ppm or less.,

[0036] The mineral-containing composition of the present invention can also be prepared by adding an alkaline potassium salt to an aqueous solvent, preferably pure water. Examples of the alkaline potassium salt include potassium carbonate, potassium hydrogen carbonate, dipotassium hydrogen phosphate, or a combination thereof. Further, an alkaline sodium salt or an alkaline calcium salt may be added to the mineral-containing aqueous composition of the present invention. Examples of the alkaline sodium salt include sodium hydrogen carbonate, sodium carbonate, sodium hydroxide, disodium hydrogen phosphate, trisodium phosphate, or a combination thereof. Examples of the alkaline calcium salt include calcium hydroxide. The mineral-containing composition of the present invention preferably contains potassium carbonate and / or sodium hydrogen carbonate.

[0037] The form of the container for providing the mineral-containing composition of the present invention is not particularly limited. For example, metal containers (cans), resin containers such as dropping type, spray type, spoon type or lotion bottle type, paper containers (including those with cable tops), PET bottles, pouch containers, glass bottles, airless containers, portion containers, preservative-free (PF) eye drop containers, sticks, small pump containers, large pump containers, portion cup containers, bottles with inner bags, disposable plastic containers, or water-soluble film containers, etc. can be mentioned.

[0038] By adding the mineral-containing composition of the present invention to water, food or beverage so that each mineral component has the ratio of the content described above, the health functions brought about by one or more functional components selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine can be stably imparted without affecting the taste. The type of water to which it is added is not particularly limited, such as tap water, purified water, pure water, RO water (Reverse Osmosis water), etc.

[0039] The potassium ion concentration (potassium concentration (ppm) in the mineral-containing composition / dilution ratio) of the mineral-containing composition of the present invention added to water, food, or beverage is, for example, 50 to 300 ppm, 50 to 290 ppm, 50 to 280 ppm, 50 to 270 ppm, 50 to 260 ppm, 50 to 250 ppm, 50 to 240 ppm, 50 to 230 ppm, 50 to 220 ppm, 50 to 210 ppm, 50 to 200 ppm, 50 to 190 ppm, 50 to 180 ppm, 50 to 170 ppm, 50 to 160 ppm, 50 to 150 ppm, 50 to 140 ppm, 50 to 130 ppm, 50 to 120 ppm, 50 to 110 ppm, 50 to 100 ppm, 50 to 90 ppm, 50 to 80 ppm, 50 to 70 ppm, 50 to 60 ppm, 60 to 300 ppm, 60 to 290 ppm, 60 to 280 ppm, 60 to 270 ppm, 60 to 260 ppm, 60 to 250 ppm, 60 to 240 ppm, 60 to 230 ppm, 60 to 220 ppm, 60 to 210 ppm, 60 to 200 ppm, 60 to 190 ppm, 60 to 180 ppm, 60 to 170 ppm, 60 to 160 ppm, 60 to 150 ppm, 60 to 140 ppm, 60 to 130 ppm, 60 to 120 ppm, 60 to 110 ppm, 60 to 100 ppm, 60 to 90 ppm, 60 to 80 ppm, 60 to 70 ppm, 70 to 300 ppm, 70 to 290 ppm, 70 to 280 ppm, 70 to 270 ppm, 70 to 260 ppm, 70 to 250 ppm, 70 to 240 ppm, 70 to 230 ppm, 70 to 220 ppm, 70 to 210 ppm, 70 to 200 ppm, 70 to 190 ppm, 70 to 180 ppm, 70 to 170 ppm, 70 to 160 ppm, 70 to 150 ppm, 70 to 140 ppm, 70 to 130 ppm, 70 to 120 ppm, 70 to 110 ppm, 70 to 100 ppm, 70 to 90 ppm, 70 to 80 ppm, 80 to 300 ppm, 80 to 290 ppm, 80 to 280 ppm, 80 to 270 ppm, 80 to 260 ppm, 80 to 250 ppm, 80 to 240 ppm, 80 to 230 ppm, 80 to 220 ppm, 80 to 210 ppm, 80 to 200 ppm, 80 to 190 ppm, 80 to 180 ppm, 80 to 170 ppm, 80 to 160 ppm, 80 to 150 ppm, 80 to 140 ppm, 80 to 130 ppm, 80 to 120 ppm, 80 to 110 ppm, 80 to 100 ppm,80 - 90 ppm, 90 - 300 ppm, 90 - 290 ppm, 90 - 280 ppm, 90 - 270 ppm, 90 - 260 ppm, 90 - 250 ppm, 90 - 240 ppm, 90 - 230 ppm, 90 - 220 ppm, 90 - 210 ppm, 90 - 200 ppm, 90 - 190 ppm, 90 - 180 ppm, 90 - 170 ppm, 90 - 160 ppm, 90 - 150 ppm, 90 - 140 ppm, 90 - 130 ppm, 90 - 120 ppm, 90 - 110 ppm, 90 - 100 ppm, 100 - 300 ppm, 100 - 290 ppm, 100 - 280 ppm, 100 - 270 ppm, 100 - 260 ppm, 100 - 250 ppm, 100 - 240 ppm, 100 - 230 ppm, 100 - 220 ppm, 100 - 210 ppm, 100 - 200 ppm, 100 - 190 ppm, 100 - 180 ppm, 100 - 170 ppm, 100 - 160 ppm, 100 - 150 ppm, 100 - 140 ppm, 100 - 130 ppm, 100 - 120 ppm, 100 - 110 ppm, 110 - 300 ppm, 110 - 290 ppm, 110 - 280 ppm, 110 - 270 ppm, 110 - 260 ppm, 110 - 250 ppm, 110 - 240 ppm, 110 - 230 ppm, 110 - 220 ppm, 110 - 210 ppm, 110 - 200 ppm, 110 - 190 ppm, 110 - 180 ppm, 110 - 170 ppm, 110 - 160 ppm, 110 - 150 ppm, 110 - 140 ppm, 110 - 130 ppm, 110 - 120 ppm, 120 - 300 ppm, 120 - 290 ppm, 120 - 280 ppm, 120 - 270 ppm, 120 - 260 ppm, 120 - 250 ppm, 120 - 240 ppm, 120 - 230 ppm, 120 - 220 ppm, 120 - 210 ppm, 120 - 200 ppm, 120 - 190 ppm, 120 - 180 ppm, 120 - 170 ppm, 120 - 160 ppm, 120 - 150 ppm, 120 - 140 ppm, 120 - 130 ppm, 130 - 260 ppm, 130 - 250 ppm, 130 - 240 ppm, 130 - 230 ppm, 130 - 220 ppm, 130 - 210 ppm, 130 - 200 ppm, 130 - 190 ppm, 130 - 180 ppm, 130 - 170 ppm, 130 - 160 ppm, 130 - 150 ppm, 130 - 140 ppm, 140 - 300 ppm,140 - 290 ppm, 140 - 280 ppm, 140 - 270 ppm, 140 - 260 ppm, 140 - 250 ppm, 140 - 240 ppm, 140 - 230 ppm, 140 - 220 ppm, 140 - 210 ppm, 140 - 200 ppm, 140 - 190 ppm, 140 - 180 ppm, 140 - 170 ppm, 140 - 160 ppm, 140 - 150 ppm, 150 - 300 ppm, 150 - 290 ppm, 150 - 280 ppm, 150 - 270 ppm, 150 - 260 ppm, 150 - 250 ppm, 150 - 240 ppm, 150 - 230 ppm, 150 - 220 ppm, 150 - 210 ppm, 150 - 200 ppm, 150 - 190 ppm, 150 - 180 ppm, 150 - 170 ppm, 160 - 300 ppm, 160 - 290 ppm, 160 - 280 ppm, 160 - 270 ppm, 160 - 260 ppm, 160 - 250 ppm, 160 - 240 ppm, 160 - 230 ppm, 160 - 220 ppm, 160 - 210 ppm, 160 - 200 ppm, 160 - 190 ppm, 160 - 180 ppm, 160 - 170 ppm, 170 - 300 ppm, 170 - 290 ppm, 170 - 280 ppm, 170 - 270 ppm, 170 - 260 ppm, 170 - 250 ppm, 170 - 240 ppm, 170 - 230 ppm, 170 - 220 ppm, 170 - 210 ppm, 170 - 200 ppm, 170 - 190 ppm, 170 - 180 ppm, 180 - 300 ppm, 180 - 290 ppm, 1680 - 280 ppm, 180 - 270 ppm 180 - 260 ppm, 180 - 250 ppm, 180 - 240 ppm, 180 - 230 ppm, 180 - 220 ppm, 180 - 210 ppm, 180 - 200 ppm, 180 - 190 ppm, 190 - 300 ppm, 190 - 290 ppm, 190 - 280 ppm, 190 - 270 ppm, 190 - 260 ppm, 190 - 250 ppm, 190 - 240 ppm, 190 - 230 ppm, 190 - 220 ppm, 190 - 210 ppm, 190 - 200 ppm, 200 - 300 ppm, 200 - 290 ppm, 200 - 280 ppm, 200 - 270 ppm, 200 - 260 ppm, 200 - 250 ppm, 200 - 240 ppm, 200 - 230 ppm, 200 - 220 ppm, 200 - 210 ppm, 210 - 300 ppm,It can be prepared to be 210 to 290 ppm, 210 to 280 ppm, 210 to 270 ppm, 210 to 260 ppm, 210 to 250 ppm, 210 to 240 ppm, 210 to 230 ppm, 210 to 220 ppm, 220 to 300 ppm, 220 to 290 ppm, 220 to 280 ppm, 220 to 270 ppm, 220 to 260 ppm, 220 to 250 ppm, 220 to 240 ppm, 220 to 230 ppm, 230 to 300 ppm, 230 to 290 ppm, 230 to 280 ppm, 230 to 270 ppm, 230 to 260 ppm, 230 to 250 ppm, 230 to 240 ppm, 240 to 300 ppm, 240 to 290 ppm, 240 to 280 ppm, 240 to 270 ppm, 240 to 260 ppm, 240 to 250 ppm, 250 to 300 ppm, 250 to 290 ppm, 250 to 280 ppm, 250 to 270 ppm, 250 to 260 ppm, 260 to 300 ppm, 260 to 290 ppm, 260 to 280 ppm, 260 to 270 ppm, 270 to 300 ppm, 270 to 290 ppm, 270 to 280 ppm, 280 to 300 ppm, 280 to 290 ppm, or 290 to 300 ppm.

[0040] The mineral-containing composition of the present invention can be prepared such that the concentration of sodium erythorbate added to water, food, or beverage (the concentration of sodium erythorbate in the mineral-containing composition (ppm) / dilution ratio) is, for example, 1 to 300 ppm. The lower limit value can be, for example, 2 ppm or more, 3 ppm or more, 4 ppm or more, 5 ppm or more, 6 ppm or more, 7 ppm or more, 8 ppm or more, 9 ppm or more, 10 ppm or more, 20 ppm or more, 30 ppm or more, 40 ppm or more, 50 ppm or more, 60 ppm or more, 70 ppm or more, 80 ppm or more, 90 ppm or more, 100 ppm or more, 110 ppm or more, 120 ppm or more, 130 ppm or more, 140 ppm or more, 150 ppm or more, 160 ppm or more, 170 ppm or more, 180 ppm or more, 190 ppm or more, 200 ppm or more, 210 ppm or more, 220 ppm or more, 230 ppm or more, 240 ppm or more, 250 ppm or more, 260 ppm or more, 270 ppm or more, 280 ppm or more, or 290 ppm or more. Also, the upper limit value can be, for example, 2 ppm or less, 3 ppm or less, 4 ppm or less, 5 ppm or less, 6 ppm or less, 7 ppm or less, 8 ppm or less, 9 ppm or less, 10 ppm or less, 20 ppm or less, 30 ppm or less, 40 ppm or less, 50 ppm or less, 60 ppm or less, 70 ppm or less, 80 ppm or less, 90 ppm or less, 100 ppm or less, 110 ppm or less, 120 ppm or less, 130 ppm or less, 140 ppm or less, 150 ppm or less, 160 ppm or less, 170 ppm or less, 180 ppm or less, 190 ppm or less, 200 ppm or less, 210 ppm or less, 220 ppm or less, 230 ppm or less, 240 ppm or less, 250 ppm or less, 260 ppm or less, 270 ppm or less, 280 ppm or less, or 290 ppm or less.

[0041] The mineral-containing composition of the present invention can be prepared such that the concentration of theanine added to water, food, or beverage (the theanine concentration (ppm) in the mineral-containing composition / dilution ratio) is, for example, 1 to 300 ppm. The lower limit value can be, for example, 2 ppm or more, 3 ppm or more, 4 ppm or more, 5 ppm or more, 6 ppm or more, 7 ppm or more, 8 ppm or more, 9 ppm or more, 10 ppm or more, 20 ppm or more, 30 ppm or more, 40 ppm or more, 50 ppm or more, 60 ppm or more, 70 ppm or more, 80 ppm or more, 90 ppm or more, 100 ppm or more, 110 ppm or more, 120 ppm or more, 130 ppm or more, 140 ppm or more, 150 ppm or more, 160 ppm or more, 170 ppm or more, 180 ppm or more, 190 ppm or more, 200 ppm or more, 210 ppm or more, 220 ppm or more, 230 ppm or more, 240 ppm or more, 250 ppm or more, 260 ppm or more, 270 ppm or more, 280 ppm or more, or 290 ppm or more. Also, the upper limit value can be, for example, 2 ppm or less, 3 ppm or less, 4 ppm or less, 5 ppm or less, 6 ppm or less, 7 ppm or less, 8 ppm or less, 9 ppm or less, 10 ppm or less, 20 ppm or less, 30 ppm or less, 40 ppm or less, 50 ppm or less, 60 ppm or less, 70 ppm or less, 80 ppm or less, 90 ppm or less, 100 ppm or less, 110 ppm or less, 120 ppm or less, 130 ppm or less, 140 ppm or less, 150 ppm or less, 160 ppm or less, 170 ppm or less, 180 ppm or less, 190 ppm or less, 200 ppm or less, 210 ppm or less, 220 ppm or less, 230 ppm or less, 240 ppm or less, 250 ppm or less, 260 ppm or less, 270 ppm or less, 280 ppm or less, or 290 ppm or less.

[0042] The mineral-containing composition of the present invention can be prepared such that the concentration of xylitol added to water, food, or beverage (xylitol concentration (ppm) / dilution in the mineral-containing composition) is, for example, 1 to 300 ppm. The lower limit value can be, for example, 2 ppm or more, 3 ppm or more, 4 ppm or more, 5 ppm or more, 6 ppm or more, 7 ppm or more, 8 ppm or more, 9 ppm or more, 10 ppm or more, 20 ppm or more, 30 ppm or more, 40 ppm or more, 50 ppm or more, 60 ppm or more, 70 ppm or more, 80 ppm or more, 90 ppm or more, 100 ppm or more, 110 ppm or more, 120 ppm or more, 130 ppm or more, 140 ppm or more, 150 ppm or more, 160 ppm or more, 170 ppm or more, 180 ppm or more, 190 ppm or more, 200 ppm or more, 210 ppm or more, 220 ppm or more, 230 ppm or more, 240 ppm or more, 250 ppm or more, 260 ppm or more, 270 ppm or more, 280 ppm or more, or 290 ppm or more. Also, the upper limit value can be, for example, 2 ppm or less, 3 ppm or less, 4 ppm or less, 5 ppm or less, 6 ppm or less, 7 ppm or less, 8 ppm or less, 9 ppm or less, 10 ppm or less, 20 ppm or less, 30 ppm or less, 40 ppm or less, 50 ppm or less, 60 ppm or less, 70 ppm or less, 80 ppm or less, 90 ppm or less, 100 ppm or less, 110 ppm or less, 120 ppm or less, 130 ppm or less, 140 ppm or less, 150 ppm or less, 160 ppm or less, 170 ppm or less, 180 ppm or less, 190 ppm or less, 200 ppm or less, 210 ppm or less, 220 ppm or less, 230 ppm or less, 240 ppm or less, 250 ppm or less, 260 ppm or less, 270 ppm or less, 280 ppm or less, or 290 ppm or less.

[0043] The mineral-containing composition of the present invention can be prepared such that the concentration of fluorine added to water, food, or beverage (fluoride ion concentration (ppm) in the mineral-containing composition / dilution ratio) is, for example, 0.1 to 5 ppm, and the lower limit value thereof can be, for example, 0.2 ppm or more, 0.3 ppm or more, 0.4 ppm or more, 0.5 ppm or more, 0.6 ppm or more, 0.7 ppm or more, 0.8 ppm or more, 0.9 ppm or more, 1.0 ppm or more, 1.1 ppm or more, 1.2 ppm or more, 1.3 ppm or more, 1.4 ppm or more, 1.5 ppm or more, 1.6 ppm or more, 1.7 ppm or more, 1.8 ppm or more, 1.9 ppm or more, 2.0 ppm or more, 2.1 ppm or more, 2.2 ppm or more, 2.3 ppm or more, 2.4 ppm or more, 2.5 ppm or more, 2.6 ppm or more, 2.7 ppm or more, 2.8 ppm or more, 2.9 ppm or more, 3.0 ppm or more, 3.1 ppm or more, 3.2 ppm or more, 3.3 ppm or more, 3.4 ppm or more, 3.5 ppm or more, 3.6 ppm or more, 3.7 ppm or more, 3.8 ppm or more, 3.9 ppm or more, 4.0 ppm or more, 4.1 ppm or more, 4.2 ppm or more, 4.3 ppm or more, 4.4 ppm or more, 4.5 ppm or more, 4.6 ppm or more, 4.7 ppm or more, 4.8 ppm or more, 4.9 ppm or more, and the upper limit value thereof can be, for example, 0.2 ppm or less, 0.3 ppm or less, 0.4 ppm or less, 0.5 ppm or less, 0.6 ppm or less, 0.7 ppm or less, 0.8 ppm or less, 0.9 ppm or less, 1.0 ppm or less, 1.1 ppm or less, 1.2 ppm or less, 1.3 ppm or less, 1.4 ppm or less, 1.5 ppm or less, 1.6 ppm or less, 1.7 ppm or less, 1.8 ppm or less, 1.9 ppm or less, 2.0 ppm or less, 2.1 ppm or less, 2.2 ppm or less, 2.3 ppm or less, 2.4 ppm or less, 2.5 ppm or less, 2.6 ppm or less, 2.7 ppm or less, 2.8 ppm or less, 2.9 ppm or less, 3.0 ppm or less, 3.1 ppm or less, 3.2 ppm or less, 3.3 ppm or less, 3.4 ppm or less, 3.5 ppm or less, 3.6 ppm or less, 3.7 ppm or less, 3.8 ppm or less, 3.9 ppm or less, 4.0 ppm or less, 4.1 ppm or less, 4.2 ppm or less, 4.3 ppm or less, 4.4 ppm or less, 4.5 ppm or less, 4.6 ppm or less, 4.7 ppm or less, 4.8 ppm or less, 4.9 ppm or less.

[0044] According to the present invention, a desired health function can be stably imparted to water, food, or beverages without affecting the taste.

[0045] Hereinafter, examples will be shown to explain the present invention in more detail. However, the present invention is not limited to the following examples and can be implemented with appropriate modifications.

Example

[0046] <Example 1: Preparation of Mineral Extract from Coconut Shell Activated Carbon> 30 g of coconut shell activated carbon (unwashed product of "Taiko CW type" / manufactured by Fumura Chemical Co., Ltd.) and 400 g of distilled water heated to 90°C were placed in a 1 L Erlenmeyer flask, and stirred with a stir bar at 100 rpm for 15 minutes while heating at 90°C. The obtained suspension was suction filtered through a polyester 500 mesh (25 μm), and the filtrate obtained thereby was centrifuged at 3000 rpm for 10 minutes. The supernatant after centrifugation was suction filtered through filter paper to obtain a mineral extract.

[0047] <Example 2: Comparison of Activated Carbons> A mineral extract was prepared in the same manner as in Example 1, except that the coconut shell activated carbon was changed to Kuraray Coal (registered trademark) GG (unwashed product / manufactured by Kuraray Co., Ltd.).

[0048] <Examples 3 - 6: Comparison of Extraction Times> A mineral extract was prepared in the same manner as in Example 1, except that the extraction times were changed to 10, 20, 40, and 80 minutes.

[0049] <Examples 7 - 9: Comparison of Distilled Water Amounts and Extraction Times> A mineral extract was prepared in the same manner as in Example 1, except that the amounts of distilled water were changed to 130, 200, and 400 g, and the extraction time was changed to 5 minutes.

[0050] <Examples 10 - 12: Comparison of Extraction Temperatures and Extraction Times> A mineral extract was prepared in the same manner as in Example 1, except that the extraction temperature was changed to 30, 60, and 90 °C and the extraction time was changed to 5 minutes.

[0051] The mineral extracts prepared in Examples 1 - 12 were analyzed according to the following method. <ICP Analysis of Metals> An ICP emission spectrometer: iCAP6500 Duo (manufactured by Thermo Fisher Scientific) was used. An ICP general-purpose mixed solution XSTC - 622B was diluted to prepare a four-point calibration curve of 0, 0.1, 0.5, and 1.0 mg / L. The sample was diluted with dilute nitric acid so that it fell within the calibration curve range, and ICP measurement was performed.

[0052] <Cl - , SO4 2- IC Analysis> An ion chromatography system: ICS - 5000K (manufactured by Dionex Japan) was used. Columns Dionex Ion Pac AG20 and Dionex Ion Pac AS20 were used. The eluent was an aqueous potassium hydroxide solution of 5 mmol / L from 0 to 11 minutes, 13 mmol / L from 13 to 18 minutes, and 45 mmol / L from 20 to 30 minutes, and was eluted at a flow rate of 0.25 mL / min. An anion mixed standard solution 1 (containing 20 mg / L of Cl - and 100 mg / L of SO4 2- : manufactured by Fujifilm Wako Pure Chemical Corporation) was diluted to create a five-point calibration curve for Cl - at 0, 0.1, 0.2, 0.4, and 1.0 mg / L and a five-point calibration curve for SO4 2- at 0, 0.5, 1.0, 2.0, and 5.0 mg / L. The sample was diluted so that it fell within the calibration curve range, and 25 μL was injected for IC measurement.

[0053] The results are shown in the following table.

Table 1

[0054] Even when the activated carbon, extraction time, amount of extractant with respect to the activated carbon, and extraction temperature were changed, the characteristic that the potassium concentration was significantly high remained unchanged. Also, when HCl was used, a significant amount of chloride ions was extracted (data not shown), but in any of the examples, the concentration of chloride ions was low. Incidentally, in any of the above examples, heavy metals (such as lead, cadmium, arsenic, mercury, etc.) were not detected (data not shown).

[0055] <Example 13: Preparation of Concentrate> 174 g of coconut shell activated carbon (unwashed product of "Taiko CW type" / manufactured by Futamura Chemical Co., Ltd.) and 753 g of distilled water heated to 30 °C were placed in a 1 L Erlenmeyer flask, and while heating at 30 °C, it was stirred with a stir bar at 100 rpm for 5 minutes. The resulting suspension was suction filtered through a polyester 500 mesh (25 μm), and the filtrate thus obtained was centrifuged at 3000 rpm for 10 minutes. The supernatant after centrifugation was suction filtered through filter paper to obtain a mineral extract. Similarly, it was carried out two more times. The three obtained mineral extracts were mixed and concentrated 62-fold by an evaporator to obtain a mineral concentrated extract shown below.

[0056] The mineral extract prepared in Example 13 and the mineral concentrated extract diluted 62-fold were analyzed according to the above method. The results are shown in the following table.

[0057]

Table 2

[0058] Even after going through the concentration conditions, the characteristics of high potassium concentration and low sodium and chloride ion concentrations remained unchanged.

[0059] <Example 14: Preparation of Mineral Concentrated Extract from Coconut Shell Activated Carbon> Place 200 g of coconut shell activated carbon (unwashed product of "Taiko CW type", manufactured by Fushimi Chemical Co., Ltd.) and 1500 g of distilled water heated to 90°C into a 1 L Erlenmeyer flask, and stir with a magnetic stirrer at 100 rpm for 15 minutes while heating at 90°C. Filter the resulting suspension by suction through a polyester 500 mesh (25 μm) filter, and centrifuge the filtrate obtained thereby at 3000 rpm for 10 minutes. Filter the supernatant after centrifugation by suction through filter paper to obtain a mineral extract. The obtained mineral extract was concentrated 14-fold using an evaporator to obtain a mineral concentrated extract shown below. [Table 3]

[0060] <Example 15: Buffer Capacity Evaluation - I> (1) Preparation of Samples for Evaluation The mineral concentrated extract obtained in Example 14 was added to ultrapure water (MilliQ water) so that the potassium concentration became the concentration shown below, respectively, to prepare samples for evaluation. [Table 4]

[0061] (2) Measurement of pH In addition to the extract obtained above, the following samples were prepared as comparative examples. For each 100 ml of each sample, 0.1 N HCl was added 1 ml at a time while stirring with a magnetic stirrer, and the pH was measured. · KOH · Commercially available alkaline ionized water (Na: 8.0 mg / l, K: 1.6 mg / l, Ca: 13 mg / l, Mg: 6.4 mg / l, pH value: 8.8 - 9.4) When titrating 100 g of a sodium hydroxide solution adjusted to pH 9.2 with 0.1 M hydrochloric acid, and the volume of the solution required from pH 9.2 to pH 3.0 was taken as (A) mL, and the mineral-containing water composition was titrated with 0.1 M hydrochloric acid, and the volume of the solution required from pH 9.2 to pH 3.0 was taken as (B) mL, the ratio (B) / (A) was defined as the buffer capacity. As shown in Fig. 1, it was found that water added with the mineral concentrated extract derived from coconut shell activated carbon has excellent buffering capacity.

[0062] <Example 16: Buffering Capacity Evaluation - II> (1) Preparation of Comparative Examples and Samples for Evaluation As comparative examples, purified water (tap water treated with a water purifier manufactured by Water Stand) and commercially available alkaline ionized water, the same as in Example 15, were prepared. Also, the mineral concentrated extract obtained in Example 14 was added to purified water (the same as above) so that the potassium concentration became 100 ppm, and a sample for evaluation was prepared. (2) Measurement of pH The samples obtained above were evaluated for buffering capacity in the same manner as in Example 15. That is, 1 ml of 0.1 N HCl was added to 100 ml of each sample while stirring with a stir bar, and the pH was measured. As shown in Fig. 2, it was found that water added with the mineral concentrated extract derived from coconut shell activated carbon to purified tap water has excellent buffering capacity compared to purified water and alkaline ionized water.

[0063] <Example 17: Preparation of Mineral Concentrated Extract from Coconut Shell Activated Carbon> =Pilot Scale= 180 L of pure water was passed through 40 kg of coconut shell activated carbon ("Taiko", unwashed with hydrochloric acid, manufactured by Futrala Chemical Co., Ltd.). The obtained suspension was clarified by mesh and centrifugation to obtain a mineral extract. It was concentrated under reduced pressure by 92 times using a centrifugal thin-film vacuum evaporator, and the obtained concentrated solution was clarified by centrifugation and filter paper. This was filled into 1 L vinyl pouches each and heat-treated at 85 °C for 30 minutes to obtain a mineral concentrated treatment extract. The potassium ion concentration, sodium ion concentration, calcium ion concentration, and magnesium ion concentration of the obtained mineral concentrated treatment extract were analyzed according to ICP emission spectrometry, the chloride ion concentration was analyzed by ion chromatography, and the TOC was analyzed by total organic carbon measurement method.

[0064] <Example 18: Preparation of Mineral Concentrated Extract from Coconut Shell Activated Carbon> =Lab - Small Scale= 200 g of coconut shell activated carbon (granular white egret, unwashed with hydrochloric acid, manufactured by Osaka Gas Chemical Co., Ltd.) and 910 g of distilled water were placed, and while heating at 30 °C, it was stirred with a stir bar at 100 rpm for 20 minutes. The resulting suspension was suction filtered through filter paper (ADVANTEC quantitative filter paper No. 5C φ55 mm, Toyo Roshi Kaisha, Ltd.), and the filtrate obtained thereby was further suction filtered through filter paper (MERCK Omnipore PTFE Membrane 5.0 μm φ47 mm) to obtain a mineral extract. This was repeated multiple times until a sufficient amount of mineral extract was obtained, and after mixing the entire mineral extract, it was concentrated under reduced pressure by 50 times using a rotary evaporator, and the resulting concentrated solution was filtered through filter paper (ADVANTEC 25ASO20AN 0.2 μm, Toyo Roshi Kaisha, Ltd.) to obtain a mineral concentrated extract. Hydrochloric acid was added to this mineral concentrated solution, adjusted so that the pH was around 9.5, filled in 10 mL aliquots in vials, and stored refrigerated for 2 days. Then, it was cold filtered through filter paper (ADVANTEC 25ASO20AN 0.2 μm, Toyo Roshi Kaisha, Ltd.), and heat treated at 80 °C for 30 minutes to obtain a mineral concentrated treated extract. The potassium ion concentration, sodium ion concentration, calcium ion concentration, and magnesium ion concentration of the obtained mineral concentrated treated extract were analyzed according to high frequency inductively coupled plasma optical emission spectrometry (ICP-AES), and the chloride ion concentration and sulfate ion concentration were analyzed according to ion chromatography (IC).

[0065] <Example 19: Preparation of Mineral Concentrated Extract from Coconut Shell Activated Carbon> =Lab - Large Scale= 800 g of coconut shell activated carbon (granular white egret, unwashed with hydrochloric acid, manufactured by Osaka Gas Chemical Co., Ltd.) and 3,660 g of distilled water were placed, and stirred for 15 minutes while heating at 30 °C. The resulting suspension was suction filtered through filter paper (ADVANTEC A080A090C, Toyo Roshi Kaisha, Ltd.) to obtain a mineral extract. This was repeated multiple times until a sufficient amount of the mineral extract was obtained, and after mixing the entire mineral extract, it was concentrated under reduced pressure by 60 times using a rotary evaporator. The resulting concentrated solution was filtered through filter paper (ADVANTEC A080A090C, Toyo Roshi Kaisha, Ltd.) to obtain a mineral concentrated extract. This was filled in 10 mL aliquots into vials and stored refrigerated for 2 days. Then, it was cold filtered through filter paper (ADVANTEC A080A090C, Toyo Roshi Kaisha, Ltd.). Hydrochloric acid was added thereto and adjusted so that the pH was around 9.5, and further diluted and adjusted with pure water so that the potassium ion concentration was around 100,000 ppm. This was heat treated at 80 °C for 30 minutes to obtain a mineral concentrated treatment extract. The potassium ion concentration, sodium ion concentration, calcium ion concentration, magnesium ion concentration, and sulfate ion of the obtained mineral concentrated treatment extract were analyzed according to ion chromatography (IC), the chloride ion concentration was analyzed by the ion chromatography method, and the TOC was analyzed by the total organic carbon measurement method.

[0066] <Example 20: Preparation of Mineral Concentrated Extract from Coconut Shell Activated Carbon> =Pilot Scale= 360 kg of coconut shell activated carbon (granular white egret, unwashed product, manufactured by Osaka Gas Chemical Co., Ltd.) and 1620 kg of pure water at 35 °C were put into a 2500 L conical tank, stirred for 15 minutes, and the resulting suspension was clarified by vibrating sieve, centrifugation, and filtration through filter paper to obtain a mineral extract. It was concentrated under reduced pressure by 60 times using a centrifugal thin-film vacuum evaporator, and the resulting concentrated solution was filtered through filter paper to obtain a mineral concentrated extract. It was filled into a drum can and stored in the refrigerator for 2 days, and then cold-filtered through filter paper. Hydrochloric acid was added thereto and adjusted so that the pH was around 9.5, and further diluted and adjusted with pure water so that the potassium ion concentration was about 100,000 ppm. This was heat-treated at 130 °C for 30 seconds to obtain a mineral concentrated treatment extract. The potassium ion concentration, sodium ion concentration, calcium ion concentration, magnesium ion concentration, and sulfate ion of the obtained mineral concentrated treatment extract were analyzed according to ion chromatography (IC), the chloride ion concentration was analyzed by ion chromatography method, and the TOC was analyzed by combustion oxidation-infrared TOC analysis method.

[0067] The results of Examples 17 - 20 are shown in Table 5. As components of the mineral extract, in Example 17, a mineral extract with a potassium concentration of 60,994 ppm, a chloride ion concentration of 3,030 ppm, and a pH of 11.1 was obtained; in Example 18, a mineral extract with a potassium concentration of 87,500 ppm, a chloride ion concentration of 32,890 ppm, and a pH of 9.50 was obtained; in Example 19, a mineral extract with a potassium concentration of 100,000 ppm, a chloride ion concentration of 13,132 ppm, and a pH of 9.51 was obtained; and in Example 20, a mineral extract with a potassium concentration of 111,747 ppm, a chloride ion concentration of 8,545 ppm, and a pH of 9.48 was obtained.

Table 5

[0068] <Example 21: Stability Evaluation - I> (1) Preparation of Samples for Evaluation To the mineral concentrated extract obtained in the same manner as in Example 20, the following raw materials were added at the described concentrations to prepare samples for stability evaluation. The dissolution conditions were classified into relatively large, medium, and small ones with reference to the solubility in pure water, and the concentrations were set accordingly. A predetermined amount of the reagent was weighed into a φ15 mm test tube. At this point, regardless of whether it was a hydrate or hydrochloride and its purity, a predetermined amount was weighed as the reagent amount. Then, 10 ml of the mineral extract was added. Thereafter, it was treated with ultrasonic waves for 10 seconds. In this state, it was left standing at room temperature for 1 day. [Table 6]

[0069] (2) Primary evaluation of appearance stability The presence or absence of precipitation / turbidity and color were confirmed. The results are shown in Table 7. [Table 7] In the above table, those that were completely dissolved were evaluated as ○, those that were almost dissolved were evaluated as △, and those with undissolved residue were evaluated as ×. Those with precipitation at the bottom were evaluated as having precipitation (〇). Those with a liquid color that was not colorless and transparent were evaluated as having coloring (〇).

[0070] (2) Secondary evaluation of appearance stability Regarding the concentration conditions, the concentration was reset with reference to the solubility results of the primary evaluation and the daily standard intake amount, etc., and the evaluation was carried out. Even for materials that were expected to dissolve at high concentrations, when 1 ml of the extract solution was taken, 1.0 times the daily standard intake amount was set as the upper limit concentration. Regarding the temperature and time conditions, it was prepared at room temperature, left standing at 50 °C for 1 hour, then returned to room temperature and the refrigerator, and the appearance (presence or absence of precipitation, turbidity, and coloring) was visually evaluated when stored for 1 day and when stored for 1 week. The results are shown in the following table. [Table 8]

[0071] From these results, it was found that zinc, riboflavin, and hesperidin precipitate regardless of temperature and cannot be dissolved. Potassium fluoride showed slight precipitation, but it was considered that it could be dissolved even at this concentration over time as it disappeared during observation. Rutin and chlorogenic acid showed significant coloring and could not be made colorless and transparent. Riboflavin produced a precipitate but coloring was observed in the supernatant, and it may be soluble at low concentrations. L-lysine monohydrochloride, folic acid, and sodium L-ascorbate showed slight coloring. It is possible to suppress the coloring by effectively utilizing their reducing action. The pH was basically 9.2 - 9.7, showing a weak alkaline nature. Glycine was slightly lower at about 9.06. Sodium chloride and sodium iodide were soluble at the standard intake amount. Potassium fluoride was also almost soluble. Other mineral elements could not be dissolved at the standard intake amount. From the results of this study, several materials were found to be potentially soluble at high concentrations. There were also materials with a large standard intake amount, and these were excluded from this study because the deviation between the assumed dissolution amount and the standard intake amount was large.

[0072] (3) Tertiary evaluation of appearance stability As reagents, the specified amounts of theanine and xylitol were weighed into a 30 ml screw-top bottle, and 20 ml of the mineral concentrated extract obtained in the same manner as in Example 20 was added to prepare each sample. These samples were subjected to the following stability evaluations. · Visually confirmed whether it dissolved at room temperature. Photographs were taken and the pH was measured. If there was undissolved residue, it was visually confirmed whether it dissolved in an ultrasonic cleaner (for about 1 minute). · Heated at 50 °C for 1 hour and visually confirmed the presence or absence of dissolution. Photographs were taken and the pH was measured. · Stored at room temperature and refrigerated for 1 day, and the presence or absence of precipitates and color changes were visually confirmed. Photographs were taken and the pH was measured. · Stored at room temperature and refrigerated for 1 week, and the presence or absence of precipitates and color changes were visually confirmed. Photographs were taken and the pH was measured. As a result, theanine and xylitol were dissolved in the mineral concentrated extract at a concentration of 2.0%, and no precipitation was formed after 1 day and 1 week at both refrigerated and room temperature, and no change in pH or color was observed, indicating excellent stability.

[0073] (4) Measurement of samples for evaluation Regarding the flavor, a solution obtained by adding the mineral concentrated extract obtained in the same manner as in Example 20 to purified water to a concentration of 60 ppm was used as a control, and each material was added at the concentration (unit: ppm) shown in Table 9. It was found that a mineral concentrated extract containing mineral components and functional components at a desired concentration can be prepared by the above method, and each sample can be prepared by diluting this.

[0074] <Example 22: Sensory evaluation> Regarding the above samples for evaluation, sensory evaluation was performed by 6 trained evaluation panelists. At the time of sensory evaluation, after aligning the evaluation criteria among the evaluation panelists in advance, it was evaluated whether it could be drunk without discomfort as water, whether there was a slight discomfort when compared to drink, but it could be perceived as water without problem, or whether there was discomfort and it could not be perceived as water. Compared with the control mineral drinking water, those with further improved flavor and can be perceived as water were rated as ◎, those without strong taste or aroma derived from the material and can be perceived as water were rated as 〇, those with a slight taste or aroma derived from the material but can be perceived as water were rated as △, and those with a taste or aroma derived from the material and cannot be perceived as water were rated as ×.

Table 9

[0075] Sodium L-ascorbate ((VC-Na), sodium erythorbate, xylitol, fluorine, and theanine could be perceived as water without discomfort due to the material. Some panelists felt a discomfort in taste when the concentration of sodium chloride was high. 4-Amino-n-butyric acid (GABA) had a sharp taste like sourness and the result was that it could not be perceived as water.

Claims

1. A mineral-containing composition, wherein among the metal ions present in the mineral-containing composition, potassium ions are contained in the highest content, and the mineral-containing composition further contains one or more components selected from the group consisting of sodium erythorbate, theanine, xylitol, and fluorine. A mineral-containing composition characterized by this.

2. The mineral-containing composition according to claim 1, characterized in that the mineral-containing composition is a concentrated solution.

3. The mineral-containing composition according to claim 1, wherein the potassium ion concentration of the mineral-containing composition is 1,000 ppm or more.

4. The mineral-containing composition according to claim 1, characterized in that the mineral-containing composition further contains chloride ions, calcium ions, magnesium ions, sodium ions, iron ions, zinc ions, silicon ions, and / or sulfate ions.

5. The mineral-containing composition according to claim 1, characterized in that the content of chloride ions in the mineral-containing composition is 50% or less of the potassium ion concentration.

6. The mineral-containing composition according to claim 1, characterized in that the content of calcium ions in the mineral-containing composition is 2.0% or less of the content of potassium ions.

7. The mineral-containing composition according to claim 1, characterized in that the content of magnesium ions in the mineral-containing composition is 1.0% or less of the content of potassium ions.

8. The mineral-containing composition according to claim 1, characterized in that the content of sodium in the mineral-containing composition is 5 to 45% of the content of potassium ions.

9. The mineral-containing composition according to claim 1, wherein the sodium erythorbate concentration of the mineral-containing composition is 2,000 to 200,000 ppm.

10. The mineral-containing composition according to claim 1, wherein the theanine concentration of the mineral-containing composition is 2,000 to 200,000 ppm.

11. The mineral-containing composition according to claim 1, wherein the xylitol concentration of the mineral-containing composition is 2,000 to 200,000 ppm.

12. The mineral-containing composition according to claim 1, wherein the fluoride ion concentration of the mineral-containing composition is 100 to 50,000 ppm.

13. The mineral-containing composition according to claim 1, characterized in that the mineral-containing composition contains an activated carbon extract of a plant-derived raw material.

14. The mineral-containing composition according to claim 1, characterized in that the mineral-containing composition contains potassium carbonate and / or sodium hydrogen carbonate.

15. The plant-derived raw material is selected from coconut husk, palm husk, almond, walnut or plum fruit shell; wood selected from sawdust, charcoal, resin or lignin; nest ash; bamboo; food residues selected from bagasse, rice husk, coffee bean or molasses; or a combination thereof. The mineral-containing composition according to claim 1, characterized in that it is selected from these.

16. Water, food or beverage, characterized in that it contains the mineral-containing composition according to any one of claims 1 to 15.

17. The water, food or beverage according to claim 16, characterized in that it contains potassium ions at a concentration of 50 to 300 ppm as the added potassium ions.

18. The water, food or beverage according to claim 16, characterized in that it contains sodium erythorbate at a concentration of 1 to 300 ppm as the added sodium erythorbate.

19. The water, food or beverage according to claim 16, characterized in that it contains theanine at a concentration of 1 to 300 ppm as the added theanine.

20. The water, food or beverage according to claim 16, characterized in that it contains xylitol at a concentration of 1 to 300 ppm as the added xylitol.

21. The water, food or beverage according to claim 16, characterized in that it contains fluoride ions at a concentration of 0.1 to 5 ppm as the added fluoride.

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