95 results about "Glucono delta-lactone" patented technology

The present invention relates to a frozen confection product comprising glucono-delta-lactone. The present invention also relates to a method of producing a frozen confection product by adding glucono-delta-lactone to an ingredient mix and then homogenize, pasteurize, and freeze the mix. Preferably the method includes a post pasteurization acidification step. Preferably the method uses a standard freezing step followed by low temperature freezing.

The present invention relates to a frozen confection product comprising glucono-delta-lactone. The present invention also relates to a method of producing a frozen confection product by adding glucono-delta-lactone to an ingredient mix and then homogenize, pasteurize, and freeze the mix. Preferably the method includes a post pasteurization acidification step. Preferably the method uses a standard freezing step followed by low temperature freezing.

This invention is directed to an acidic beverage composition, comprising; (A) a hydrated protein material having a combination of an inositol-6-phosphate content, an inositol-5-phosphate content, an inositol-4-phosphate content and an inositol-3-phosphate content of less than 8.0 μmol / g, with (B) a hydrated protein stabilizing agent and (C) at least one acid comprising a fruit juice, a vegetable juice, citric acid, malic acid, tartaric acid, lactic acid, ascorbic acid, glucono delta lactone or phosphoric acid, wherein the acidic beverage composition has a pH of from 3.0 to 4.5.

This invention is directed to an acid beverage composition, comprising; (A) a hydrated protein stabilizing agent; (B) a protein material; (C) a triglyceride comprising a vegetable oil triglyceride, a genetically modified vegetable oil triglyceride or a synthetic triglyceride oil of the formula  wherein R1, R2 and R3 are aliphatic groups and contain from about 7 up to about 23 carbon atoms; and (D) a flavoring material comprising a fruit juice, a vegetable juice, glucono delta lactone, phosphoric acid or the sodium salts or acids of citric acid, malic acid, tartaric acid, lactic acid and ascorbic acid; wherein the acid beverage composition has a pH of from 3.0 to 4.5. Also disclosed is a process for preparing an acid beverage composition.

The invention relates to a method for separating cow milk beta-casein and whey protein at the low temperature through microfiltration to simulate composition of human lactoprotein. Skim milk, whole milk, dried skim milk, concentrated milk protein powder and the like are taken as raw materials, decalcification pretreatment is performed with the adoption of citrate, glucono-delta-lactone and other chelating agents or an acidifier, microfiltration and filter wash are performed with the adoption of a ceramic membrane or a polyethersulfone membrane and the like under the low-temperature (0-15 DEG C) condition, beta-casein and whey protein are selectively enriched into a permeating liquid, the permeating liquid is subjected to spray drying and dewatering after lactose and mineral substances are removed through ultrafiltration and concentration, and high-protein powder containing rich beta-casein and whey protein is prepared. An adopted technical process has the characteristics of being environment-friendly, efficient, high in operability, good in safety and the like and is suitable for large-scale industrial production. The obtained compound protein powder can serve a novel functional lactoprotein ingredient to replace whey protein and is used for research and development of infant food such as formula milk powder and the like, so that the protein molecule composition of the compound protein powder is closer to that of human lactoprotein.

The invention provides a high-efficiency broad-spectrum food composite preservative and aims to solve the technical problem that most of the food preservatives now used in food processing are potassium sorbate and sodium benzoate, cannot achieve ideal preservation effect when use alone due to certain limitation to antibacterial spectrum and suffers certain limitation on use. The key point of the preservative lies in that the preservative contains nisin, natamycin, potassium sorbate, sodium diacetate and sodium dehydroacetate or also one or all of d-sodium erythorbate and d-glucono-delta-lactone. The use of the preservative is to be added in various foods.

The invention belongs to the technical field of sensing, and in particular relates to a flexible force tactile sensor based on a transparent biomaterial, a sensitive element and preparation methods ofthe flexible force tactile sensor and the sensitive element. The sensitive element comprises a water-retaining layer substrate and hydrogel wrapped with the water-retaining layer substrate, wherein solute of the hydrogel is prepared from sodium alginate, ethylenediamine tetraacetate disodium calcium and glucono delta-lactone according to a mass ratio of 2 to (0.5-1.5) to (0.5-1.5), wherein the mass concentration of the sodium alginate is 2-6%. The sensor comprises the sensitive element, a measuring circuit, an analog-to-digital (AD) conversion circuit and a display device which are sequentially connected in a wired or wireless way. According to the preparation method, the ionic-crosslinked sustained release system hydrogel is used as a sensor main body, and calcium ions in ethylenediaminetetraacetate disodium calcium are slowly released by using the glucono delta-lactone, ionic crosslinking is formed by the calcium ions and a sodium alginate monomer, the water molecules are connectedinside a mesh structure, and then certain water conservation measures are utilized, so that the moisture emission is reduced, and the stability of the sensor is maintained.

The invention discloses a mini-salami sausage with a tea fragrance and a preserved fruit flavor and a preparation method thereof. The mini-salami sausage is prepared by the following raw materials, in parts by weight: 50-60 of beef, 30-40 of pork lean, 15-25 of lardo, 2-3 of a stellaria yunnanensis powder, 2-3 of preserved cherries, 1-2 of kumquat cakes, 1-3 of a hawthorn seed powder, 3-5 of green tea wine, 2-3 of table salt, 1-2 of white sugar, 0.2-0.4 of an edible soy protein, 0.3-0.5 of glucose, 0.01-0.15 of sodium nitrite, 0.01-0.15 of vitamin C, 0.2-0.3 of carrageenan, 0.01-0.02 of glucono-delta-lactone, 0.02-0.03 of sodium tripolyphosphate, and 0.04-0.05 of a fermentation agent. The stellaria yunnanensis powder, the preserved cherries, the kumquat cakes, the hawthorn seed power and the green tea wine selected and used in the mini-salami sausage are rich in nutrition and significant in nourishing function, are added to the sausage, thereby adding unique flavors, having certain nutrition and health care effects, preventing certain diseases, and simultaneously increasing appetite.

The invention relates to a fast deep-fried dough stick leavening agent and a method for fast making deep-fried dough sticks. The fast deep-fried dough stick leavening agent comprises, by weight, 20%-60% of sodium bicarbonate, 5%-15% of glucono-delta-lactone, 1%-20% of sodium dihydrogen phosphate, 1%-20% of malic acid and 1%-20% of citric acid, wherein the total of the weight percentages of all the constituents is 100% actually. The method includes the steps that 100 parts of flour, 2-3 parts of fast deep-fried dough stick leavening agents, water, table salt and sugar are prepared by weighing; paste is evenly stirred till slight gluten appears and is then cut into small dough pieces, the surfaces of the small dough pieces are brushed over with butter and covered with thin films, and the small dough pieces are subjected to standing for 15-33 min; the dough pieces having been being subjected to standing are taken out and stretched into long strips, the long strips are subjected to standing and are then cut into small segments, and every two small segments are pressed together; formed dough pieces are deep-fried till the surfaces of the dough pieces turn golden yellow. By means of the fast deep-fried dough stick leavening agent and the method for fast making the deep-fried dough sticks, the speed of making the deep-fried dough sticks is improved, the quality of the deep-fried dough sticks is improved, and adverse effects on the human body are reduced.

The invention relates to a preparation method for an aerogel, especially to a preparation method for a carbon aerogel. The invention aims to overcome the technical problems of high cost for raw materials and great toxicity in preparation in conventional preparation methods for the carbon aerogel. The preparation method comprises the following steps: adding carboxymethylcellulose sodium and glucono delta-lactone into water and carrying out stirring until carboxymethylcellulose sodium and glucono delta-lactone are dissolved so as to obtain a colloidal liquid; adding a neutral ferric trichloride solution into the colloidal liquid, carrying out uniform mixing under stirring and then carrying out standing at room temperature so as to obtain gel; freezing the gel and then carrying out freeze drying so as to obtain a carboxymethylcellulose sodium aerogel; and carbonizing the carboxymethylcellulose sodium aerogel under the protection of N2 so as to obtain the magnetic carbon aerogel. The preparation method has the advantages of simple steps and no toxicity; and the prepared magnetic carbon aerogel has magnetism and a large specific surface area, can be repeatedly recycled, has active bright blue dye adsorption capacity of 59.98 mg / g and removal rate of as high as 42.38%, and is applicable to treatment of dye waste water.

The invention discloses an ecological compound coagulant, its production method and the use in producing colorful vegetable / fruit bean curd. The ecological compound coagulant contains the flowing components in weight parts: 20-30 weight parts of CaSO4, 0.8-1.5 weight parts of glucono-delta-lactone, 0.1-0.2 weight parts of calcium hydrogen phosphate, 0.05-0.1 weight parts of potassium tartrate, 0.3-0.4 weight parts of sodium hydrogen phosphate, 0.8-0.9 weight parts of fumaric acid, 0.15-0.25 weight parts of corn starch and 0.8-0.9 weight parts of surfactant. The surfactant is selected from lysine, methionine, tryptophan, phenylalanine, valine, leucine, isoleucine, threonine, and a combination thereof. The coagulant ensures elasticity, chewiness and smooth mouthfeel of bean curd, and prevents the bean curd to be broken and cracked during the slicing or shredding process.

The invention provides a plastic gel material for preventing spontaneous combustion of coal. The plastic gel material for preventing spontaneous combustion of coal comprises water, a cross-linking agent, a toughening agent, a coagulant, an aggregate and a water glass, wherein the cross-linking agent (AlCit) is obtained by mixing a polymeric aluminium chloride solution and a citric acid solution ina certain ratio and then neutralizing the sodium hydroxide solution; the coagulant is potassium bicarbonate, sodium hydrogen carbonate, ammonium hydrogen carbonate, and one or more of sodium carbonate and glucono-delta-lactone (GDL); the toughening agent is one or more of pregelatinized starch, sodium alginate, carboxymethyl cellulose, and polyacrylamide; aggregate is fly ash or bentonite. The plastic gel material has better water retention, toughness and resistance properties, so that the problems of easy cracking and pulverization of the traditional inorganic silicon gel solid body after water loss is effectively solved, and the material cost is effectively reduced compared with the traditional gel. The plastic gel material can cover the surface of the burning coal body, significantly reducing the temperature of the fire source, the heat radiation and the amount of CO generated, and the fire extinguishing is stable, the re-ignition phenomenon does not occur. In addition, the plasticgel can adhere to the coal body cracks, achieving a good air leakage effect.

This invention is directed to an acid beverage composition, comprising; (A) a hydrated protein stabilizing agent; (B) at least one flavoring material comprising a fruit juice, a vegetable juice, citric acid, malic acid, tartaric acid, lactic acid, ascorbic acid, glucono delta lactone or phosphoric acid; and (C) a slurry of an aqueous protein material wherein the slurry of the aqueous protein material is prepared by a process, comprising; (1) preparing an aqueous extract from a protein containing material, (2) adjusting the pH of the aqueous extract to a value of from about 4 to about 5 to precipitate the protein material, (3) separating the precipitated protein material and forming a suspension of the precipitated protein material in water, (4) adjusting the pH of the suspension to a value of from about 4.0 to about 6.0 to form a slurry of an aqueous protein material, and optionally (5) pasteurizing the slurry of the aqueous protein material; wherein the acid beverage composition has a pH of from 3.0 to 4.5. Also disclosed are several processes for preparing an acid beverage composition.

The present invention provides an antimicrobial composition comprising an antimicrobial effective amount (such as a preservative, bactericidal, and / or fungicidal effective amount) of a mixture comprising at least two of: (a) lemon grass oil; (b) cinnamaldehyde, cinnamon oil, cinnamomum cassia, cinnamon extract, cassia leaf oil, 3,4-dihydroxycinnamic acid or salt thereof, or a mixture thereof; (c) sorbic acid, or a salt thereof; (d) erythorbic acid, or a salt thereof; (e) benzoic acid, or a salt thereof; (f) arabinogalactan, galactoarabinan, or a mixture thereof; (g) a hexahydro-iso-alpha-acid, tetrahydro-iso-alpha-acid, or a mixture thereof; (h) Achillea fragrantissima oils, Santolina fragrantissima oils, Forssk oils, Lavender cotton oils; and (i) Glucono Delta Lactone. The present invention also provides a product (preferably a product other than a foodstuff, pharmaceutical, or cosmetic) comprising a preservative effective amount of cinnamaldehyde or a mixture of cinnamaldehyde and one or more alkanol-dialkyl hydantoins.

Magnetic high-strength high-toughness hydrogel for membrane pollution washing and an application method thereof are provided; sodium alginate is used as a framework; acrylamide and its derivatives areused as polymeric monomers; sodium silicate, the polymeric monomers and the sodium alginate are dissolved together in water; acrylamide polymerization is initiated by ultraviolet; calcium silicate nanoparticles are generated in situ in hydrogel by calcium ion crosslinking; calcium silicate having surface mesoporous silica gel is generated by soaking via glucono delta-lactone solution; the strength and stability of the hydrogel are improved accordingly. Nano calcium silicate evenly dispersed is generated by in-situ mineralization such that strength of the hydrogel is enhanced. Micro-nano magnetic particles are used as an enhancer to prepare microspheres via an injector; since the density of the micro-nano magnetic particles are very close to water in density and have high strength, high toughness and good stability, the hydrogel gains improved washing effect in jet or low washing process; the composite hydrogel with the silicate has significantly improved stability in water and has a good application prospect in the field of membrane pollution washing.

The present invention relates to solid dosage forms that contain bupropion hydrochloride and glucono delta lactone or its corresponding open chain hydroxy acid derivative. The bupropion hydrochloride retains at least 80% of the bupropion hydrochloride potency after storage for three months at 40° C. and 75% relative humidity. The solid dosage form may be in the form of a tablet, a capsule, or a granulate with or without an immediate release profile, a modified release profile, or an extended release profile.

A quick-gel mixture is prepared from a liquid mixture and a powder blend. The liquid mixture is an alginate blended with sugar and solubilized in water and, optionally, ethyl alcohol. The powder blend is a mix of sugar, calcium, acids, and sodium citrate, which acts as a sequestering agent to control the release of calcium. The acids used are a combination of adipic and glucono delta lactone. The acids being used are slow-release-type acids and control the rate of gelling. The source of calcium is calcium glycerophosphate, which is readily soluble in the liquid phase and reacts with the alginate to form the gel. Granular sugar is used as a carrier and to solubilize the powder blend mix. To prepare the final product, the liquid mixture and the powder blend are combined and shaken for about 15 seconds. The gel sets in approximately 15 to 30 minutes.

The invention provides a production method of low-temperature sterilized surimi products capable of being storage at room temperature. The production method of the low-temperature sterilized surimi products capable of being storage at room temperature comprises the following steps: carrying out thawing, carrying out air cut, carrying salt cut, carrying out mixed cut, carrying out vacuum degassing, carrying out filling so as to prepare sausages, carrying out gelatinizing, and carrying out low-temperature sterilizing. Glucono delta-lactone, as well as crushed ice, soy protein isolate, starch, locust bean gum, scallion and ginger juice, cooking wine, white pepper powder and edible salt, is added into the surimi products prepared by utilizing the production method so as to reduce the pH of the surimi gel and enhancing the bacteriostatic capacity of the surimi gel; thus, growth of most microorganisms can be inhibited. Moreover, a vacuum packing way is combined, and the sterilizing method is designed and optimized so as to achieve the purpose of normal-temperature storage; thus, the damages caused by high-temperature sterilizing on the qualities of the surimi are greatly reduced so as to improve the nutritive values and the edible values of the surimi products. Circulation of the surimi products and edible convenience of the consumers are thereby facilitated.

This invention is directed to an acid beverage composition, comprising; (A) a hydrated protein stabilizing agent; (B) a protein material; (C) a triglyceride comprising a vegetable oil triglyceride, a genetically modified vegetable oil triglyceride or a synthetic triglyceride oil of the formula (I) wherein R<1>, R<2> and R<3> are aliphatic groups and contain from about 7 up to about 23 carbon atoms; and (D) a flavoring material comprising a fruit juice, a vegetable juice, glucono-delta-lactone, phosphoric acid or the sodium salts or acids of citric acid, malic acid, tartaric acid, lactic acid and ascorbic acid; wherein the acid beverage composition has a pH of from 3.0 to 4.5. Also disclosed is a process for preparing an acid beverage composition.

This invention is directed to an acidic beverage composition, comprising;(A) a hydrated protein material having a combination of an inositol-6-phosphate content, an inositol-5-phosphate content, an inositol-4-phosphate content and an inositol-3-phosphate content of less than 8.0 μmol / g, with(B) a hydrated protein stabilizing agent and(C) at least one acid comprising a fruit juice, a vegetable juice, citric acid, malic acid, tartaric acid, lactic acid, ascorbic acid, glucono delta lactone or phosphoric acid,wherein the acidic beverage composition has a pH of from 3.0 to 4.5.

The invention provides a method for remedying Cd-As-Cu heavy metal polluted soil. The method comprises the following steps: step 1, uniformly mixing hydrogen peroxide, oxysophocarpine, phosphoric acid, citric acid, palmitic acid, Tween 80 and deionized water to obtain a solution M, uniformly mixing bismuth phosphate, sodium sulfite, ferrous oxide, hydroxypropyl methyl cellulose and deionized water to obtain a solution N, and uniformly mixing bromelain, amylase, glucono-delta-lactone and deionized water to obtain a solution K; step 2, pulverizing the polluted soil, and performing cyclic leaching on the pulverized polluted soil by adopting the solution M; step 3, adding the solution N into the leached soil for uniform mixing; step 4, adding the solution K for uniform mixing and step 5, adding calcium molybdate, calcium oxalate, silkworm shell powder, chicken manure and fly ash for uniform mixing, and performing conservation. According to the method provided by the invention, the remedying effect on the Cd-As-Cu heavy metal polluted soil and the market prospect are good.

It is intended to provide seasoned tofu which has a favorable mouthfeel in “hardness” and “brittleness” and has been evenly seasoned throughout, and a method of producing the same. Seasoned tofu is produced by heating and coagulating seasoned soymilk containing soybean milk, a seasoning providing sodium ion and / or potassium ion and glucono delta-lactone as a coagulant wherein the concentration of soybean protein is 5.5% by mass or more and 8.5% by mass or less, the total concentration of the sodium ion and / or potassium ion is 0.05 mol / L or more and 0.154 mol / L or less and the concentration of the glucono delta-lactone is 0.4% by mass or more and 0.9% by mass or less.

The invention provides an improved production technique for making beancurd jelly from glucolactone, which comprises the following steps: dissolving 3.1-3.7g of glucono-delta-lactone in 30-50 mL of water to obtain a glucono-delta-lactone solution, uniformly mixing soybean milk with the temperature of higher than 95 DEG C with the glucono-delta-lactone solution for slushing, and standing for 5-8 minutes to obtain the coagulated beancurd jelly. Compared with the existing production technique, the improved production technique provided by the invention saves the time for cooling the soybean milk to DEG C before slushing, increases the production rate and ensures the production efficiency. The proper glucono-delta-lactone solution and the soybean milk are proportionally mixed to shorten the standing time from 15 minutes or so to 5-8 minutes, thereby further lowering the time cost for production, and ensuring the increase of production benefit by utilizing production.

The present invention relates to the field of food and particularly discloses a frozen glutinous rice ball modifying agent, frozen glutinous rice ball raw bases, a preparation method and an application thereof. The modifying agent consists of the following components: (1) a compound thickener comprises sodium polyacrylate and other thickening agents, and the other thickening agents are selected from one or more than two of xanthan gum, guar gum and sodium carboxymethylcellulose; and (2) a compound swelling agent comprises sodium bicarbonate, disodium dihydrogen pyrophosphate and glucono-delta-lactone. The recipe of the frozen glutinous rice ball raw bases comprises the following raw materials: 1,000 parts by weight of glutinous rice flour, 400-450 parts of white granulated sugar, 15-25 parts by weight of the frozen glutinous rice ball modifying agent and 800-900 parts of water. The frozen glutinous rice ball modifying agent is used to prepare the frozen glutinous rice ball raw bases and the frozen glutinous rice balls. In the recipe, a combination of the compound thickening agent and the compound swelling agent is used, which improves the air holding capacity and freezing stability of the glutinous rice ball raw bases, so that the glutinous rice balls are better in mouthfeel and have broad application prospects.

The present invention relates to the field of chemical industry, in particular to an efficient and safe antioxidant. The antioxidant comprises the following ingredients by weight: 2-6 parts of sodium metabisulphite, 2-10 parts of sodium metabisulfite, 1-10 parts of anhydrous citric acid, 3-9 parts of tea polyphenols, 1-3 parts of rosemary ether, 5-20 parts ascorbic acid, 0.5-2 parts of microcrystalline cellulose and 2-10 parts of glucono-delta-lactone. The purpose of the present invention is to provide an efficient and safe antioxidant which can effectively extend the shelf life of products and prevent the oxidation of products.

The present invention provides a phaseolus vulgaris alpha-amylase inhibitor extraction separation method, and relates to the field of food science biological active component extraction and separation, wherein the obtaining rate can be increased, and the yield can be improved. The method comprises: crushing phaseolus vulgaris to obtain phaseolus vulgaris crude powder, carrying out stirring extraction on the phaseolus vulgaris crude powder 3 times with water at a room temperature, filtering to obtain a filtrate, carrying out pressure reducing concentration on the filtrate to obtain a concentrated solution, carrying out boiling sterilization on the concentrated solution, adding a glucono delta-lactone coagulant, precipitating, filtering to obtain a precipitate, and sequentially carrying out decolorizing, dewatering, filtration draining, vacuum drying, and crushing so as to obtain the phaseolus vulgaris alpha-amylase inhibitor product.

The invention belongs to the technical field of organic synthesis route design and medicine and chemical engineering, particularly relates to a synthesis method of a sodium-glucose cotransporter 2(SGLT2) inhibitor, and more particularly relates to a preparation method of empagliflozin. The empagliflozin is synthesized by taking (3S)-3-[4-[(2-chloro-5-iodophenyl) methyl] phenoxy] tetrahydrofuran and glucono delta-lactone as initial raw materials through a series of substep reactions such as protection, addition, substitution, deprotection and reduction. In the synthesis steps disclosed by the invention, a staged target product does not need to be separated and purified after each step of reaction, and the target product is finally obtained by directly subjecting a high-purity reaction intermediate to subsequent steps. The preparation method is simple in process, simple and convenient to operate and good in industrial prospect.

The invention discloses a preparation method of almond bean curd. The preparation method comprises steps as follows: step one, selecting and peeling are performed; step two, materials are soaked; step three, the materials are ground into pulp: almonds and soybeans which are soaked well are washed for 1-2 times, a ratio of the almonds to the soybeans is 1:2-1:4, then the almonds and the beans are put into a grinder, water which is 3 times of the dry weight of the mixed material is added, the mixed material is filtered by 100-mesh filter cloth when ground into pulp, and a filtrate is the pulp; step four, filtering is performed: the pulp obtained through grinding is filtered by a 100-mesh nylon sieve and is cooled to the room temperature; step five, precooking is performed: the filtered pulp is heated to 90-95 DEG C and is subjected to heat preservation for 10 min; step six, cooling is performed; step seven: coagulation is performed: 0.15%-0.35% of delta-gluconolactone is added, a ratio of the pulp to water is 1:4-1:8, and the mixture is heated at the coagulation temperature of 80-90 DEG C for 30 min, and vibration is strictly prohibited. According to the preparation method of the almond bean curd, the bitter almonds and the soybeans are taken as main raw materials, d-glucono-delta-lactone is taken as a coagulator, and the almond bean curd with tender texture, smooth surface, pure bean fragrance flavor and special almond flavor is prepared.

The object is to provide a novel enzyme which enables to determine the glucose level more accurately, a bacterium capable of producing the enzyme, and use of the enzyme. Disclosed is a flavin adenine dinucleotide-binding glucose dehydrogenase having the following properties (1) to (3):(1) the enzyme has an activity of catalyzing a reaction for oxidizing a hydroxyl group in glucose in the presence of an electron acceptor to produce glucono-delta-lactone; (2) the enzyme has a molecular weight of about 100 kDa as measured by SDS-polyacrylamide gel electrophoresis or about 400 kDa as measured by gel filtration chromatography; and (3) the enzyme is less reactive to maltose, D-fructose, D-mannose and D-galactose. Also disclosed is a microorganism Aspergillus oryzae which can produce the enzyme. Further disclosed are a glucose determination method, a reagent for the determination of glucose, and a kit for the determination of glucose, each utilizing the enzyme.

The invention provides nutritional sea buckthorn and lactone bean curd and a manufacturing method thereof. The bean curd comprises the following components in parts by weight: 100 parts of defatted sea buckthorn seed meal, 70-100 parts of soybean, 1-5 parts of glucono-delta-lactone and 300-400 parts of water. The bean curd has the following beneficial effects: as soybean and sea buckthorn seed meal are taken as the raw materials, not only is the variety of the bean curd product enriched, but also the agricultural product raw materials are taken full advantage of to balance the diet and supplement nutrition; the sea buckthorn bean curd prepared by the method is purple, has delicate texture and elasticity, is not easy to fragment, has pure bean flavor and peculiar flavor of sea buckthorn, not only retains the rich proteins in the bean curd, but also additionally has the health care functional components in sea buckthorn seed meal such as sea buckthorn proteins, procyanidins, flavones and the like, is not easy to break and is easy to preserve and transport; and the manufacturing process is simpler and more convenient, has low pollution and is beneficial to mechanical and automatic production.