31 results about "Stevia extract" patented technology

The invention discloses an agilawood tea beverage and a preparation method thereof, and relates to the technical field of agilawood tea.The agilawood tea beverage is prepared from, by mass, 70-80 parts of agilawood leaf extracting solution, 10-15 parts of stevia rebaudiana extract, 10-20 parts of fructus lycii extract and 0.2-0.5 part of stabilizer, and the agilawood tea beverage is mellow in taste, free of astringent taste, unique in fragrance and rich in nutrition.

The invention relates to the technical field of food processing, and discloses shredded bread and a preparation method thereof, the shredded bread comprises the following components by mass: 45-60 parts of high gluten wheat flour; 10 to 20 parts of whole wheat flour; 5 to 10 parts of oat powder; 3 to 6 parts of erythritol; 0.02 to 0.05 part of a stevia rebaudiana extract; 2-5 parts of inulin; 5-10 parts of soybean meal; 2-6 parts of pea protein powder; 1-3 parts of apple fiber; 1-2 parts of oat dietary fiber; 3-6 parts of vegetable oil; 5-8 parts of unsalted butter; 0.2 to 0.5 part of lecithin; 1.0 to 2.5 parts of yeast; 0.5 to 1.5 parts of lactic acid bacteria; 25 to 40 parts of drinking water; 3-6 parts of whole egg liquid; and 0.8 to 1.5 parts of salt. Through specific strain two-stage fermentation and raw material combination, the shredded bread has unique flavor and nutritional and healthy characteristics; rolling and fermenting processes are combined, so that the taste is improved.

To provide a garlic flavor enhancer, a garlic-component-containing food or beverage that contains the enhancer, and a method for enhancing garlic flavor in a garlic-component-containing food or beverage.SOLUTION: A garlic flavor enhancer is used which contains at least one selected from the group consisting of a Luo Han Guo extract and thaumatin, or contains a Luo Han Guo extract and a stevia extract.SELECTED DRAWING: None

The invention discloses a herbal beverage formula which comprises the following components: a natural raw material extract compound group and a bioactive factor group, the natural raw material extract compound group consists of a spina date seed extract, an astragalus extract, a red date extract, a lily extract, a longan extract, a poria cocos extract, a lotus seed extract, a liquorice extract, a mulberry extract, a rhizoma polygonati extract, a fingered citron extract, oyster powder, a Chinese yam extract, a pericarpium citri reticulatae extract and a stevia rebaudiana extract; the bioactive factor group comprises aminobutyric acid and phosphatidylserine, and the mass ratio of jujuboside A in the spina date seed extract to the aminobutyric acid is 1: (0.025-0.035). The method has the advantage that the gradient temperature control segmented extraction method is creatively designed. The retention rate of the target extract is remarkably improved, and sufficient release of macromolecular active substances such as polysaccharide is ensured. And a high-pressure homogeneous nano-emulsification technology is adopted, so that the problems of floating oil, flocculation and layering which are easy to occur in the traditional emulsion are avoided.

The present invention provides a composition, which comprises 5-30 parts by weight of citrus essential oil, 0.5-2 parts by weight of an emulsifier, 30-80 parts by weight of an apple, passion fruit and lophatherum gracile composite extract, and 10-30 parts by weight of a stevia rebaudiana extract, the citrus essential oil is prepared by carrying out cold pressing on citrus peel, filtering, centrifuging the filtrate at a rotating speed of 5000-8000 r / min, retaining the upper layer essential oil, adding the emulsifier, and uniformly stirring. Freezing the upper-layer essential oil at the temperature of 80 DEG C below zero to 18 DEG C below zero for 5-24 hours, and dewaxing, so as to obtain the essential oil. The apple, passion fruit and lophatherum gracile composite extract is obtained by preparing composite extract raw materials from apples, passion fruits and lophatherum gracile according to a ratio of 1: 1: 2, preparing a first solvent from propylene glycol and water according to a ratio of 1: 2-1: 10, then mixing the composite extract raw materials and the first solvent according to a ratio of 1: 8-1: 15, performing ultrasonic extraction and filtration, and retaining filtrate; the stevia rebaudiana extract is obtained by mixing a stevia rebaudiana raw material and a second solvent according to a ratio of 1: 5-1: 20, preparing the second solvent according to a ratio of propylene glycol to water of 1: 5-1: 10, carrying out ultrasonic extraction, filtering and retaining filtrate.

The utility model discloses a multi-directional blade stirring device for stevia rebaudiana extraction, which belongs to the technical field of stevia rebaudiana extraction and comprises a processing table, a stirring tank, a stirring component, a discharge pipe, a control valve and an extrusion component. The extrusion assembly comprises an extrusion box, two sets of electric push rods are connected to the two ends of the extrusion box, the output ends of the electric push rods penetrate through one side of the extrusion box and are connected with extrusion blocks, and a filtering mechanism is arranged at the lower end of the extrusion box; according to the stevia rebaudiana extraction device, the squeezing box, the electric push rod, the squeezing block and the filtering mechanism are used in cooperation, a stevia rebaudiana extraction mixture can be squeezed, the problem that juice attached to the surfaces of leaves and stems of stevia rebaudiana cannot be conveniently squeezed out is solved, stevia rebaudiana is further extracted, and the extraction efficiency is improved. Incomplete filtration between leaves, stems and juice in a stevia rebaudiana extract mixture is prevented, the yield of a stevia rebaudiana extract is ensured, and the practicability of the device is improved.

The invention relates to the technical field of breeding, in particular to a composition for relieving vomitoxin harm of weaned piglets and a preparation method and application of the composition. The composition is prepared from the following components in parts by weight: 50 to 70 parts of glucurolactone, 10 to 15 parts of cynarin, 20 to 40 parts of scutellaria baicalensis flavone, 10 to 20 parts of stevia rebaudiana extract and 80 to 120 parts of a carrier. The composition can be used for effectively relieving the symptoms of diarrhea, weight loss and intestinal dysfunction of weaned piglets.

The invention relates to a stevia rebaudiana extract with whitening and freckle removing effects and a preparation method and application of the stevia rebaudiana extract in cosmetics, and belongs to the technical field of plant extracts.The preparation method comprises the steps that S1, stevia rebaudiana raw materials are pretreated; s2, adding a citric acid-disodium hydrogen phosphate buffer solution and a compound enzyme, and performing ultrasonic-assisted extraction to obtain a crude extract; s3, purifying the crude extract, and performing gradient elution to obtain an eluent; and S4, carrying out reduced pressure distillation on the eluent, adding deionized water, a glycosyl donor UDPG and glycosyl transferase UGT76G1, carrying out enzyme catalysis to obtain a mixture B, and carrying out reduced pressure concentration and cooling to obtain the stevia rebaudiana extract rich in rebaudioside M2. Three enzymes are selected for composite enzymolysis, ultrasonic-assisted extraction, purification and gradient elution are combined, the dissolution rate of stevioside is effectively increased, rebaudioside M2 is selectively enriched, and the stevia rebaudiana extract prepared through the method also has good whitening and freckle removing effects.

The application discloses a compound flocculating agent and application thereof, and belongs to the technical field of flocculating agents. The compound flocculating agent comprises flocculating agent A and flocculating agent B. The flocculating agent A comprises attapulgite and bamboo charcoal, and the flocculating agent B comprises chitosan quaternary ammonium salt and polyacrylamide. The compound flocculating agent is applied to the flocculation of stevia extract liquid, and has the advantages of fast flocculation settling speed, low cost, simple operation, low loss rate of steviol glycosides, high clarification rate and good flocculation and impurity removal effects.

Provided are a novel method for producing a steviol glycoside composition and a method for increasing the concentration of a steviol glycoside in a steviol glycoside-containing solution. In addition, the present invention provides a food or drink containing the steviol glycoside composition produced by the production method. The present invention is a method for producing a steviol glycoside composition, characterized by comprising preparing a steviol glycoside-containing solution containing a stevia extract, preparing a treatment liquid by adding an additive to the steviol glycoside-containing solution, and adding the additive such that the pH of the treatment liquid reaches 10-13.

A Stevia extract made from leaves of the Stevia rebaudiana plant is described. The extract has desired levels of steviol glycosides and is useful in food, beverage, and other consumable products.

The invention discloses a preparation method of an extract for improving the flavor of stevia rebaudiana. Aiming at the flavor defects of leaf flavor, peppery flavor and the like of a stevia rebaudiana extract, the technical scheme comprises the following steps: carrying out colloid embedding on the stevia rebaudiana extract by adopting carrageenan, and combining with drying treatment, so that peculiar smell is effectively removed, characteristic aroma is enhanced, and the flavor level of the stevia rebaudiana extract is optimized; the method is suitable for the fields of food, beverage and health-care products.

The objective was to improve the unpleasant taste characteristic of herbal medicines in beverages containing Cordyceps sinensis and Agaricus mushrooms, and to provide a beverage that is easy to drink. [Solution] A beverage containing (A) to (E) is provided. (A) Cordyceps sinensis (B) Agaricus mushroom (C) Trehalose (D) Monk fruit extract and / or stevia extract (E) Malt extract

The invention relates to the technical field of pet hair repair, in particular to a hair repair composition for pet cats as well as a preparation method and application thereof, and the hair repair composition comprises stevia rebaudiana extract and inositol. The stevia rebaudiana extract and the inositol are mixed according to the mass ratio of 1: (5-15). The preparation method comprises the following steps: (1) respectively weighing the stevia rebaudiana extract and the inositol according to the mass ratio, adding purified water, and stirring and dissolving at 40-60 DEG C to obtain a mixed solution for later use; and (2) drying the mixed solution in the step (1) to obtain powder, namely the hair repairing composition. The hair repairing composition provided by the invention can be used for remarkably improving the hair glossiness, smoothness and elasticity of pet cats.

The invention discloses a low-salt sugar-free aquatic food and a preparation method thereof, and belongs to the technical field of aquatic food production. According to the method, fishy smell removal and nutrition retention of aquatic food are realized through multiple mechanisms: firstly, a fishy smell removal solution containing a porous cyclodextrin-pomegranate peel ellagic acid compound is adopted, volatile fishy smell substances are removed through physical embedding and an acid-base neutralization reaction, and decomposition of lysozyme on microbial source fishy smell precursors is promoted in combination with dynamic variable-temperature ultrasound; in the pickling stage, white granulated sugar is replaced by resistant dextrin and stevia rebaudiana extract, and high oleic acid camellia oil is matched to form a water-retaining gel layer, so that the loss of DHA in the frying process can be reduced. According to the method, the grease content is reduced by adopting a sectional frying and centrifugal deoiling process, and the oxidation of the fish meat is inhibited by assisting the L-ascorbyl palmitate. The aquatic food prepared by the invention realizes no addition of chemical preservatives, the salt content is greatly reduced compared with the traditional process, and the aquatic food conforms to the health trend of salt reduction, no sugar and natural preservation.

The application discloses a preparation method of a stevia extract, and belongs to the technical field of plant extract preparation; the preparation method comprises the following steps: S1, crushing stevia raw materials, then soaking the stevia raw materials in water, adding a composite enzyme to perform enzymolysis, and preparing an enzymolysis solution; S2, performing flocculation treatment on the enzymolysis solution; the flocculating agent is a composite flocculating agent, and a crude extract solution is obtained; S3, performing gradient elution on the crude extract solution after adsorption by using a macroporous resin, and collecting eluate of a specific section; and S4, performing elution after adsorption of the eluate by using an aluminum oxide column, concentrating the eluate, and crystallizing; the preparation method only uses water and ethanol as solvents in the whole process, does not use toxic organic reagents, is simple to operate, and is very suitable for industrial mass production.

Provided is a novel technique for improving the taste quality of a glycosylated steviol glycoside composition. In the present technology, provided are a method for producing a glycosylated steviol glycoside composition and a method for improving the taste quality of a glycosylated steviol glycoside composition, each of which comprises a step in which a cyclodextrin glycosyltransferase derived from a microorganism belonging to the genus anaerobic bacillus is caused to act on a stevia extract and dextrin. In the production method and the taste quality improvement method according to the present technology, a step for causing a saccharide processing enzyme different from the cyclodextrin glycosyltransferase derived from the microorganism belonging to the genus anaerobic bacillus to act can be further performed.

The invention belongs to the technical field of food, and discloses a gastrointestinal mucosa protection powder composition, which is characterized by being prepared from the following raw materials by weight: 4g of fried Chinese yam powder, 2g of fried coix seed powder, 4g of pure lotus root starch, 0.1 mg of vitamin B1, 0.1 mg of vitamin B2, 0.05 g of edible sodium bicarbonate, 0.05 g of stevia rebaudiana extract powder, and 0.01 g of edible essence. The traditional Chinese medicine can protect and repair gastrointestinal mucosa and treat gastritis, gastric mucosa erosion, gastric ulcer, duodenal ulcer, atrophic gastritis, chronic enteritis, chronic diarrhea and dawn diarrhea.

The present invention discloses a liquid organic fertilizer for improving the quality of guava and a preparation method thereof, belonging to the technical field of fertilizers. The raw materials of the liquid organic fertilizer include animal manure urine treatment liquid, diatom, compound microbial inoculum, trace element chelate (chelate of iron, zinc, copper, magnesium, boron, molybdenum and chitosan), stevia extract, 5-aminolevulinic acid, stabilizer, and surfactant. The above components act synergistically, can provide rich and comprehensive nutrients for guava, at the same time can improve the soil structure, inhibit the spread of pathogenic bacteria, improve the disease resistance of guava, improve the fertilizer absorption and utilization rate, increase the soluble sugar content and VC content of fruits, and improve the yield and quality of guava.

The invention relates to the field of traditional Chinese medicine health care, in particular to health wine capable of improving qi and blood effects and a preparation method of the health wine, and the health wine comprises the following components in parts by weight: 2.0-3.0 parts of an astragalus extract, 0.4-0.6 part of an angelica sinensis extract, 1.8-2.2 parts of a codonopsis pilosula extract, 1.2-1.8 parts of a Chinese wolfberry fruit extract, 0.6-1.0 part of a schisandra chinensis extract, 0.5-0.9 part of a liquorice extract and 1.8-2.2 parts of phosphatidylcholine. The beverage is prepared from the following raw materials in parts by weight: 0.4 to 0.6 part of cholesterol, 0.08 to 0.12 part of vitamin E, 0.3 to 0.5 part of chitosan, 2.5 to 3.5 parts of pagoda flower honey, 0.04 to 0.06 part of citrus essential oil, 0.015 to 0.025 part of stevia rebaudiana extract and 0.3 to 0.5 part of beta-cyclodextrin. The components exist in two phases in a nano-liposome encapsulation form and a free form, and are dispersed in the yellow wine with the alcoholic strength of 30-40%, so that perfect combination of taste and efficacy is realized.

The invention relates to the technical field of feed additives, in particular to a chicken feed additive and application thereof, and the chicken feed additive comprises the following components in parts by weight: 20-50 parts of stevia rebaudiana extract, 30-60 parts of scutellaria baicalensis extract, 10-20 parts of montmorillonite and 20-40 parts of stevia rebaudiana waste residue. The preparation method comprises the following steps: sequentially weighing the stevia rebaudiana extract, the scutellaria baicalensis extract, the montmorillonite and the stevia rebaudiana waste residues in parts by weight, and uniformly stirring and mixing. The feed additive is added into a basal feed in parts by weight, can effectively prevent chicken necrotic enteritis, greatly improves the immunity of broiler chickens, and is more beneficial to the growth of the broiler chickens.

The invention relates to the technical field of microorganisms, in particular to a stevia polysaccharide-based pseudomonas fermentation biological agent as well as a preparation method and application thereof.According to the stevia polysaccharide-based pseudomonas fermentation biological agent and the preparation method and application thereof, the stevia polysaccharide is secondarily utilized, experiments prove that the stevia polysaccharide can replace a traditional carbon source, and reported in the prior art, a stevia extract has an antibacterial effect on pseudomonas sp. Research finds that the stevia polysaccharide has a very obvious growth promoting effect on Pseudomonas sp. CD1, the effect of the stevia polysaccharide is remarkably better than that of glucose serving as a carbon source, the growth of pseudomonas bacterial colonies is remarkably promoted, the effect of the stevia polysaccharide is better than that of a traditional glucose carbon source, the existing technical barriers are effectively broken through, in addition, the fermented biological preparation can effectively turn waste into wealth, and the cost is reduced. The method reduces environmental pollution and cost, realizes efficient resource utilization of stevia polysaccharide, reduces dependence of agricultural production on synthetic chemical fertilizers, and meets green agricultural requirements.

This invention provides stevia extract and its applications. Specifically, the extract is obtained by extracting, concentrating, and fermenting stevia raw materials. Applications include the use of stevia extract in the preparation of formulations and / or foods that improve lipid metabolism, protect liver tissue, inhibit weight gain and / or blood glucose elevation caused by high-fat, high-sugar diets, reduce serum and / or liver TG and / or TC levels, inhibit HDL elevation and / or LDL reduction caused by high-fat, high-sugar diets, reduce FFA levels and / or AI index, improve oxidative stress caused by high-fat, high-sugar diets, inhibit colon shortening caused by high-fat, high-sugar diets, improve intestinal digestion and absorption capacity, and improve intestinal microbiota composition. This provides a new theoretical basis for using stevia extract to improve lipid metabolism disorders caused by high-fat diets, and also offers new ideas for the high-value utilization of natural agricultural waste, significantly expanding the application field of stevia and further exploring its physiological efficacy.

There is a need for a beer-flavored beverage which has a flavor suitable for a beer-flavored beverage even if a naturally derived sweetener is used, which is reduced in terms of inappropriate sweetness, and which is favorable in terms of other flavor characteristics. Provided is a beer-flavored beverage in which the content of lactic acid is 20-1800 mg / L and a stevia extract is contained at a quantity of less than 150 mg / L.

To provide a novel stevia sweetener component.SOLUTION: The component analysis of a novel steviol glycoside component and stevia extract and crystalline products containing them can identify the raw material of a sweetener containing RA as a main component, while making the quality control of sweeteners easy, thereby making the judgment of the appropriateness of the origin labelling of stevia variety and infringement easy. The invention relates to a novel steviol glycoside; a production of a novel steviol glycoside included in a Stevia Rebaudiana Bertoni variety which contains rebaudioside A in large quantities, and a production of a sweetener, food, pharmaceuticals, quasi drugs, and cosmetics containing them; an identification method of stevia variety; and an analytical method of the novel steviol glycoside.SELECTED DRAWING: None

The application discloses a method for separating steviol glycosides and chlorogenic acid, comprising the following steps: concentrating a stevia extract by using a nanofiltration membrane to obtain a concentrated solution; adsorbing the concentrated solution by using a resin system composed of a series connection of LX-8 and LX-T28 resin columns; after the adsorption is completed, resolving the LX-8 resin column by using 60-80wt% ethanol solution alone to obtain a chlorogenic acid resolution solution, and resolving the LX-28 resin column by using 60-80wt% ethanol solution to obtain a steviol glycoside resolution solution; and after the chlorogenic acid resolution solution is concentrated, spray drying is performed to obtain chlorogenic acid; and after the steviol glycoside resolution solution is concentrated, spray drying is performed to obtain steviol glycosides. The method uses a series connection of resin systems to treat the concentrated stevia extract, and uses different adsorption resins to adsorb and separate steviol glycosides and chlorogenic acid in the stevia extract, and the method is simple and has high separation efficiency.

The invention belongs to the technical field of plant extracts, and provides a stevia rebaudiana extract and a preparation method and application thereof.The preparation method comprises the following steps that 1, stevia rebaudiana leaves are taken, dried, smashed and sieved, and stevia rebaudiana powder is obtained; step 2, adding stevia rebaudiana powder into pure water, heating to 60-70 DEG C, stirring and extracting, and filtering to obtain filtrate I; step 3, adding a precipitant into the filtrate I, heating to 80-85 DEG C, stirring for 0.5-1 hour, adjusting the pH value, continuously stirring for 0.5-1 hour, keeping the temperature, standing for 4.0-4.5 hours, cooling to room temperature, and carrying out suction filtration to obtain filtrate II; step 4, adsorbing and eluting the filtrate II through macroporous adsorption resin to obtain an eluent; the preparation method of the stevia rebaudiana extract has the advantages that the operation is simple, the purity of the obtained stevia rebaudiana is high, and the stevia rebaudiana extract is suitable for large-scale production.

The utility model discloses a chlorogenic acid extraction device which comprises an extracting solution storage tank, a first nanofiltration membrane assembly, a concentrated solution storage tank, a simulated moving bed chromatographic separation system, a chlorogenic acid phase buffer tank, a second nanofiltration membrane assembly, a thermal concentration tank, a spray dryer and a chlorogenic acid storage tank, the concentrated solution storage tank and the chlorogenic acid phase buffer tank are respectively communicated with the first pH regulator storage tank and the second pH regulator storage tank. According to the device, stevia rebaudiana is extracted, concentrated and subjected to simulated moving bed chromatographic separation, a chlorogenic acid phase is separated out, then the chlorogenic acid phase is subjected to impurity removal and drying, a chlorogenic acid product is prepared, the device is simple in structure, and the extraction steps of chlorogenic acid are greatly simplified.

The invention provides macroporous adsorption resin as well as a synthesis method and application thereof, and the synthesis method of the macroporous adsorption resin comprises the following steps: S1, mixing a monomer, a pore-foaming agent and an initiator to obtain an oil phase; mixing water, a dispersing agent and a polymerization inhibitor to obtain a water phase; s2, adding the oil phase into the water phase, stirring, and heating for reaction; after the reaction is finished, washing the obtained product, removing the pore-foaming agent, and drying to obtain white balls; s3, the white balls are swelled in a solvent, then a catalyst is added for a Friedel-Crafts alkylation post-crosslinking reaction, after the reaction is finished, obtained resin is washed with water to be neutral, and the macroporous adsorption resin is obtained. The obtained macroporous adsorption resin can selectively enrich the chlorogenic acid in the stevia rebaudiana extract, and can effectively improve the adsorption quantity of the chlorogenic acid.

This invention belongs to the field of acidifier technology, specifically relating to an acidifier that can improve the health of breeding ducks and the hatchability of hatching eggs, its preparation method, and its application. The acidifier includes acidifier A and acidifier B. Acidifier A is prepared by mixing and adjusting the volume of calcium formate, acetic acid, lactic acid, monk fruit extract, and an immune enhancer; acidifier B is prepared by mixing and adjusting the volume of calcium propionate, citric acid, malic acid, stevia extract, and an antioxidant. This invention enhances the immunity and antioxidant capacity of breeding ducks and improves eggshell quality by intermittently and alternately adding the two acidifiers to their drinking water during the egg-laying period. Furthermore, by spraying a proportionally diluted mixture of the two acidifiers during the later stages of hatching, it improves embryonic calcium absorption and duckling shell-pecking rate, reduces embryonic mortality, and significantly increases the hatchability of hatching eggs. This invention is suitable for large-scale breeding and hatching of breeding ducks.