Tea polypeptide solid beverage

Abstract

The invention discloses a tea polypeptide solid beverage which comprises the following components in parts by weight: 10-40 parts of tea polypeptide powder, 0.1-2 parts of vitamin C powder, 15-30 parts of maltodextrin, 0.5-1 part of citric acid, 4-8 parts of a sweetening agent and 6-14 parts of nectarine fruit powder. The tea polypeptide extracted from the tea leaves is used as a raw material to prepare the solid beverage, the tea polypeptide contains rich amino acids, and the solid beverage can retain the nutritional ingredients, so that consumers can obtain the nutritional substances such as the amino acids by drinking the solid beverage, and secondary development of the health-care function of the tea leaves is realized; and compared with a liquid beverage, the solid beverage has a longer shelf life and more convenient storage conditions, is not easy to deteriorate, can be stored for a longer time at normal temperature, is generally small and light in package, and is convenient to carry and brew and drink at any time.

Description

Technical Field

[0001] The invention relates to the technical field of food, in particular to a tea polypeptide solid beverage. Background Art

[0002] Peptides are a type of intermediate product that is composed of amino acids but is different from proteins and has the characteristics of proteins. Peptides with antioxidant properties are called antioxidant active peptides. They are a type of bioactive peptides that achieve antioxidant effects by reducing free radicals and inhibiting lipid peroxidation. As a basic nutrient, active peptides are easier to absorb than proteins and have higher bioavailability. At the same time, some active peptides also have the effect of regulating human physiological functions, which are characteristics that proteins and free amino acids do not have.

[0003] In the existing technology, a variety of active peptides have been obtained by enzymatic methods, such as soybean peptides, peanut peptides, corn peptides and konjac peptides with antioxidant activity. As a plant with multiple functions such as antioxidant, its development and utilization has always been a hot topic of research. Tea protein in tea and its enzymatic hydrolysis product tea peptides have biological activities such as antioxidant, hypolipidemic, and anti-atherosclerosis. However, there is no solid beverage made from tea peptides extracted from tea in the existing market. Summary of the invention

[0004] The invention provides a tea polypeptide solid beverage, aiming to solve the problem that there is no solid beverage in the existing market that uses tea polypeptide extracted from tea leaves as raw material.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: A tea polypeptide solid beverage comprises the following components in parts by weight: 10-40 parts of tea polypeptide powder, 0.1-2 parts of vitamin C powder, 15-30 parts of maltodextrin, 0.5-1 parts of citric acid, 4-8 parts of sweetener and 6-14 parts of peach fruit powder; Wherein, the tea polypeptide powder is prepared by the following method: S1. Add water to Tieguanyin tea keratin powder and stir to make a homogenate, and adjust the mass fraction of protein liquid in the homogenate to 0.5% and the pH value to 8.5; S2, add 400 DU / g alkaline protease to the protein solution, control the temperature at 50°C, stir and hydrolyze for 1 hour; S3, rapidly heating the feed liquid to boiling to inactivate the protease for 5 to 10 minutes, cooling and concentrating in vacuo at 65 to 75° C. to 1 / 5 of the original volume of the feed liquid to obtain a concentrated solution; S4, after cooling to room temperature, add 95% edible alcohol to the concentrate to make the ethanol volume fraction in the solution reach 60%, stir evenly and let stand, then put into a centrifuge, the centrifuge speed is 4500r / min, and the centrifugation time is 10min; S5. Collect the precipitated components, dry under reduced pressure to remove ethanol, and freeze-dry to obtain tea polypeptide powder.

[0006] Furthermore, the weight proportions of the components of the tea polypeptide solid beverage are as follows: 20 parts of tea polypeptide powder, 0.2 parts of vitamin C powder, 21 parts of maltodextrin, 0.8 parts of citric acid, 6 parts of sweetener and 12 parts of peach powder.

[0007] Furthermore, the Tieguanyin tea keratin powder in the above step S1 is prepared by the following steps: (1) Wash the Tieguanyin tea leaves with clean water to remove impurities, add water and heat, then extract under ultrasonic wave for 2-3 times, and filter to obtain water extract and Tieguanyin tea leaves wet residue; (2) Precool 95% ethanol to −20 °C; (3) mixing the wet Tieguanyin tea residue obtained in step (1) and the ethanol obtained in step (2), wherein the weight ratio of the wet Tieguanyin tea residue to 95% ethanol is 4:1, and the mixture is put into a pulping machine for pulping; (4) cooling the slurry obtained in step (3) to 4° C., passing the cooled slurry through a 100-mesh sieve to obtain a Tieguanyin tea keratin-ethanol mixture, and then filtering the Tieguanyin tea keratin-ethanol mixture through a microporous filter membrane to obtain a filter residue and a filtrate; (5) The filter residue obtained in step (4) is washed with alcohol for at least 2-3 times, dried, and then passed through a 100-mesh sieve to obtain Tieguanyin tea keratin powder.

[0008] A method for preparing a tea polypeptide solid beverage comprises the following steps: 1) Base material mixing: First, fully mix 0.2 parts of vitamin C powder with 1 part of maltodextrin, then add the remaining 20 parts of maltodextrin and mix evenly, then add 20 parts of tea polypeptide powder and further mix evenly to make tea polypeptide base material; 2) Preparation: 0.8 parts of citric acid, 5 parts of oligofructose, and 1 part of stevioside are fully mixed, and then 12 parts of peach fruit powder are added and further mixed to prepare an additive material; 3) Total mixing: fully and evenly mix the additive material prepared in step (3) and the tea polypeptide base material prepared in step (1); 4) Screening: The mixed material is screened through a 60-mesh screen by a ZS350 oscillating screen; 5) Packaging: The sieved material is filled and sealed in an aluminum foil bag by a powder packaging machine to obtain the finished tea polypeptide solid beverage.

[0009] From the above description of the structure of the present invention, it can be seen that the present invention has the following advantages: The present invention uses tea polypeptide extracted from tea leaves as a raw material to prepare a solid beverage. Tea polypeptide contains rich amino acids, and these nutrients can be retained in the solid beverage, so that consumers can obtain nutrients such as amino acids by drinking the solid beverage, thereby realizing the secondary development of the health care function of tea. Compared with liquid beverages, solid beverages have a longer shelf life and more convenient storage conditions. They are not easy to deteriorate and can be stored for a long time at room temperature. The packaging is usually small and light, which is convenient to carry and brew and drink at any time. DETAILED DESCRIPTION

[0010] In order to fully understand the present invention, many details are described below, but for those skilled in the art, the present invention can be implemented without these details. For well-known components, methods and processes, they are not described in detail below.

[0011] Embodiment 1 A tea polypeptide solid beverage comprises the following components in parts by weight: 20 parts of tea polypeptide powder, 0.2 parts of vitamin C powder, 21 parts of maltodextrin, 0.8 parts of citric acid, 6 parts of sweetener and 12 parts of peach fruit powder; Wherein, the tea polypeptide powder is prepared by the following method: S1. Add water to Tieguanyin tea keratin powder and stir to make a homogenate, and adjust the mass fraction of protein liquid in the homogenate to 0.5% and the pH value to 8.5; S2, add 400 DU / g alkaline protease to the protein solution, control the temperature at 50°C, stir and hydrolyze for 1 hour; S3, rapidly heating the feed liquid to boiling to inactivate the protease for 5 to 10 minutes, cooling and concentrating in vacuo at 65 to 75° C. to 1 / 5 of the original volume of the feed liquid to obtain a concentrated solution; S4, after cooling to room temperature, add 95% edible alcohol to the concentrate to make the ethanol volume fraction in the solution reach 60%, stir evenly and let stand, then put into a centrifuge, the centrifuge speed is 4500r / min, and the centrifugation time is 10min; S5. Collect the precipitated components, dry under reduced pressure to remove ethanol, and freeze-dry to obtain tea polypeptide powder.

[0012] In step S1, the Tieguanyin tea keratin powder is prepared by the following steps: (1) Wash the Tieguanyin tea leaves with clean water to remove impurities, add water and heat, then extract under ultrasonic wave for 2-3 times, and filter to obtain water extract and Tieguanyin tea leaves wet residue; (2) Precool 95% ethanol to −20 °C; (3) mixing the wet Tieguanyin tea residue obtained in step (1) and the ethanol obtained in step (2), wherein the weight ratio of the wet Tieguanyin tea residue to 95% ethanol is 4:1, and the mixture is put into a pulping machine for pulping; (4) cooling the slurry obtained in step (3) to 4° C., passing the cooled slurry through a 100-mesh sieve to obtain a Tieguanyin tea keratin-ethanol mixture, and then filtering the Tieguanyin tea keratin-ethanol mixture through a microporous filter membrane to obtain a filter residue and a filtrate; (5) The filter residue obtained in step (4) is washed with alcohol for at least 2-3 times, dried, and then passed through a 100-mesh sieve to obtain Tieguanyin tea keratin powder.

[0013] A method for preparing a tea polypeptide solid beverage comprises the following steps: 1) Base material mixing: First, fully mix 0.2 parts of vitamin C powder with 1 part of maltodextrin, then add the remaining 20 parts of maltodextrin and mix evenly, then add 20 parts of tea polypeptide powder and further mix evenly to make tea polypeptide base material; 2) Preparation: 0.8 parts of citric acid, 5 parts of oligofructose, and 1 part of stevioside are fully mixed, and then 12 parts of peach fruit powder are added and further mixed to prepare an additive material; 3) Total mixing: fully and evenly mix the additive material prepared in step (3) and the tea polypeptide base material prepared in step (1); 4) Screening: The mixed material is screened through a 60-mesh screen by a ZS350 oscillating screen; 5) Packaging: The sieved material is filled and sealed in an aluminum foil bag by a powder packaging machine to obtain the finished tea polypeptide solid beverage.

[0014] Embodiment 2 A tea polypeptide solid beverage, comprising the following components in parts by weight: 10 parts of tea polypeptide powder, 0.5 parts of vitamin C powder, 10 parts of maltodextrin, 0.7 parts of citric acid, 5 parts of sweetener and 10 parts of peach powder; Wherein, the tea polypeptide powder is prepared by the following method: S1. Add water to Tieguanyin tea keratin powder and stir to make a homogenate, and adjust the mass fraction of protein liquid in the homogenate to 0.5% and the pH value to 8.5; S2, add 400 DU / g alkaline protease to the protein solution, control the temperature at 50°C, stir and hydrolyze for 1 hour; S3, rapidly heating the feed liquid to boiling to inactivate the protease for 8 minutes, cooling and concentrating in vacuo at 75° C. to 1 / 5 of the original volume of the feed liquid to obtain a concentrated solution; S4, after cooling to room temperature, add 95% edible alcohol to the concentrate to make the ethanol volume fraction in the solution reach 60%, stir evenly and let stand, then put into a centrifuge, the centrifuge speed is 4500r / min, and the centrifugation time is 10min; S5. Collect the precipitated components, dry under reduced pressure to remove ethanol, and freeze-dry to obtain tea polypeptide powder.

[0015] Embodiment 3 A tea polypeptide solid beverage comprises the following components in parts by weight: 30 parts of tea polypeptide powder, 1 part of vitamin C powder, 30 parts of maltodextrin, 0.5 parts of citric acid, 8 parts of sweetener and 14 parts of peach fruit powder; Wherein, the tea polypeptide powder is prepared by the following method: S1. Add water to Tieguanyin tea keratin powder and stir to make a homogenate, and adjust the mass fraction of protein liquid in the homogenate to 0.5% and the pH value to 8.5; S2, add 400 DU / g alkaline protease to the protein solution, control the temperature at 50°C, stir and hydrolyze for 1 hour; S3, rapidly heating the liquid to boiling to inactivate the protease for 10 minutes, cooling and concentrating in vacuo at 65°C to 1 / 5 of the original volume of the liquid to obtain a concentrated solution; S4, after cooling to room temperature, add 95% edible alcohol to the concentrate to make the ethanol volume fraction in the solution reach 60%, stir evenly and let stand, then put into a centrifuge, the centrifuge speed is 4500r / min, and the centrifugation time is 10min; S5. Collect the precipitated components, dry under reduced pressure to remove ethanol, and freeze-dry to obtain tea polypeptide powder.

[0016] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A tea polypeptide solid beverage, characterized in that: The invention comprises the following components in parts by weight: 10-40 parts of tea polypeptide powder, 0.1-2 parts of vitamin C powder, 15-30 parts of maltodextrin, 0.5-1 parts of citric acid, 4-8 parts of sweetener and 6-14 parts of peach powder; Wherein, the tea polypeptide powder is prepared by the following method: S1. Add water to Tieguanyin tea keratin powder and stir to make a homogenate, and adjust the mass fraction of protein liquid in the homogenate to 0.5% and the pH value to 8.5; S2, add 400 DU / g alkaline protease to the protein solution, control the temperature at 50°C, stir and hydrolyze for 1 hour; S3, rapidly heating the feed liquid to boiling to inactivate the protease for 5 to 10 minutes, cooling and concentrating in vacuo at 65 to 75° C. to 1 / 5 of the original volume of the feed liquid to obtain a concentrated solution; S4, after cooling to room temperature, add 95% edible alcohol to the concentrate to make the ethanol volume fraction in the solution reach 60%, stir evenly and let stand, then put into a centrifuge, the centrifuge speed is 4500r / min, and the centrifugation time is 10min; S5. Collect the precipitated components, dry under reduced pressure to remove ethanol, and freeze-dry to obtain tea polypeptide powder.

2. A tea polypeptide solid beverage according to claim 1, characterized in that: The weight proportions of the components of the tea polypeptide solid beverage are as follows: 20 parts of tea polypeptide powder, 0.2 parts of vitamin C powder, 21 parts of maltodextrin, 0.8 parts of citric acid, 6 parts of sweetener and 12 parts of peach powder.

3. The tea polypeptide solid beverage according to claim 1, characterized in that: The weight proportions of the components of the tea polypeptide solid beverage are as follows: 10 parts of tea polypeptide powder, 0.5 parts of vitamin C powder, 10 parts of maltodextrin, 0.7 parts of citric acid, 5 parts of sweetener and 10 parts of peach powder.

4. The tea polypeptide solid beverage according to claim 1, characterized in that: The weight proportions of the components of the tea polypeptide solid beverage are as follows: 30 parts of tea polypeptide powder, 1 part of vitamin C powder, 30 parts of maltodextrin, 0.5 parts of citric acid, 8 parts of sweetener and 14 parts of peach powder.

5. The tea polypeptide solid beverage according to claim 1, characterized in that: In step S1, the Tieguanyin tea keratin powder is prepared by the following steps: (1) Wash the Tieguanyin tea leaves with clean water to remove impurities, add water and heat, then extract under ultrasonic wave for 2-3 times, and filter to obtain water extract and Tieguanyin tea leaves wet residue; (2) Precool 95% ethanol to −20 °C; (3) mixing the wet Tieguanyin tea residue obtained in step (1) and the ethanol obtained in step (2), wherein the weight ratio of the wet Tieguanyin tea residue to 95% ethanol is 4:1, and the mixture is put into a pulping machine for pulping; (4) cooling the slurry obtained in step (3) to 4° C., passing the cooled slurry through a 100-mesh sieve to obtain a Tieguanyin tea keratin-ethanol mixture, and then filtering the Tieguanyin tea keratin-ethanol mixture through a microporous filter membrane to obtain a filter residue and a filtrate; (5) The filter residue obtained in step (4) is washed with alcohol for at least 2-3 times, dried, and then passed through a 100-mesh sieve to obtain Tieguanyin tea keratin powder.

6. The method for preparing a tea polypeptide solid beverage according to claim 2, characterized in that: The following steps are involved: 1) Base material mixing: First, fully mix 0.2 parts of vitamin C powder with 1 part of maltodextrin, then add the remaining 20 parts of maltodextrin and mix evenly, then add 20 parts of tea polypeptide powder and further mix evenly to make tea polypeptide base material; 2) Preparation: 0.8 parts of citric acid, 5 parts of oligofructose, and 1 part of stevioside are fully mixed, and then 12 parts of peach fruit powder are added and further mixed to prepare an additive material; 3) Total mixing: fully and evenly mix the additive material prepared in step 3) and the tea polypeptide base material prepared in step 1); 4) Screening: The mixed material is screened through a 60-mesh screen by a ZS350 oscillating screen; 5) Packaging: The sieved material is filled and sealed in an aluminum foil bag by a powder packaging machine to obtain the finished tea polypeptide solid beverage.