280 results about "Soybean protein" patented technology

The invention relates to the technical field of soybean crushing, in particular to a soybean crusher for soybean oil production. Comprising a mounting frame, a shell, a protective shell, crushing rollers, a connecting gear, fins, a hollow frame and the like, the shell is connected to the mounting frame, the protective shell is connected to the side face of the shell, the two crushing rollers are symmetrically and rotationally connected into the shell, inclined grooves are formed in the outer sides of the crushing rollers in the circumferential direction at intervals, through holes are symmetrically formed in the crushing rollers, and the connecting gear is connected to the left ends of the crushing rollers; the two connecting gears are meshed with each other and located in the protective shell, the fins are installed in the through holes, the hollow frames are symmetrically connected to the two sides of the shell, and the hollow frame on the left side is located in the protective shell. Through cooperation of the air cooler and the fins, cold air can be fed into the through holes of the crushing rollers, and the fins exchange heat with the cold air, so that the crushing rollers can be cooled, soybean protein can be effectively prevented from denaturation due to temperature rise in the crushing process, and the subsequent soybean oil product quality is guaranteed.

The present invention belongs to the technical fields of biological bacterium agents and functional food processing. Specifically, it relates to a bacterium agent for soybean milk fermentation and its application, a soy cheese stick and a preparation method thereof. The bacterium agent for soybean milk fermentation provided by the present invention uses Lactobacillus helveticus HL88 and Lactobacillus casei BL25 in combination. It can not only quickly acidify the soy milk, shortening the coagulation time of soy cheese, but also more fully hydrolyze soy proteins, releasing more short peptides and amino acids. In particular, it can highly produce γ-aminobutyric acid (GABA), enhancing the fermentation effect and nutritional value of soybean milk. Further, the soy cheese food prepared by fermenting with the above bacterium agent not only has a strong soy milk fragrance and a smooth texture, but is also easily digested and absorbed, improving the digestibility and reducing the soybean allergenicity, especially helping to improve exercise fatigue and enhance sleep quality. Therefore, the above bacterium agent provided by the present invention has excellent application prospects in the field of preparing functional foods for anti-fatigue and promoting sleep.

The invention discloses a pesticide residue scavenging agent. The feed additive is prepared from the following components in parts by weight: 90-110 parts of white hyacinth beans, 9-11 parts of papain, 90-110 parts of liquorice, 45-55 parts of folium isatidis, 25-35 parts of perilla leaves, 25-35 parts of fructus forsythiae, 25-35 parts of honeysuckle, 15-25 parts of rhizoma smilacis glabrae, 15-25 parts of ginkgo leaves, 4-6 parts of soybean protease, 9-11 parts of glutathione, 5-7 parts of amino-oligosaccharin, 9-11 parts of amylase and 7-9 parts of walnut peptide. The invention also discloses a preparation method of the pesticide residue scavenger. The method has the following outstanding effects: the method is easy to operate, low in cost, popular in price and remarkable in effect, and can reach the national safety agricultural product indexes.

The invention relates to the technical field of bacterium enrichment nutrient solutions, in particular to a bacterium enrichment nutrient solution for fermentation and a preparation method of the bacterium enrichment nutrient solution. The culture medium is prepared from the following raw materials in parts by weight: maltodextrin, crystalline glucose, low-pigment yeast extract powder, refined soy peptone, dipotassium phosphate, monopotassium phosphate, magnesium sulfate heptahydrate, sodium chloride, phytic acid, L-ascorbic acid, manganese sulfate monohydrate, biotin, thiamine hydrochloride and choline chloride. Through a double-carbon-source structure, maltodextrin and crystalline glucose cooperate, metabolic oscillation is avoided, and the energy utilization rate is increased; the low-pigment yeast extract powder and the refined soy peptone are complementary, so that the rapid growth requirement of thalli is met; phytic acid is chelated with metal ions to prevent precipitation, L-ascorbic acid is used for resisting oxidation, and biotin and thiamine activate a coenzyme pathway to realize accurate regulation and control of a metabolic network.

The invention discloses a bamboo longitudinal and wood transverse composite whole container bottom plate and a preparation method thereof, and belongs to the field of bamboo-wood composite materials. The bottom plate is of a seven-layer alternate paving structure and is formed by compositing transverse wood veneer layers and longitudinal radial bamboo curtain layers, wood veneers are made of lignin modified polyurethane adhesive (reinforced by nano-silicon dioxide), and bamboo curtains are made of bamboo fiber nano-crystal reinforced soybean protein adhesive (cross-linked by genipin). Through continuous paving, fixed-length saw cutting and a'cold-in-cold-out 'hot pressing process (the pressure is 1.5-8.0 MPa, and the temperature is 140-220 DEG C), whole-piece production of any length is achieved. According to the technology, the bamboo-wood interface bonding problem is solved, the bending strength reaches 120 MPa, the interlayer shear strength is 7.8 MPa, the strength retention rate after damp-heat aging resistance is 90%, the formaldehyde emission is smaller than or equal to 0.05 mg / m < 3 >, the bio-based carbon content is 85%, high strength, weather resistance and environment friendliness are achieved, a traditional spliced container bottom plate can be replaced, the material utilization rate is increased by 20% or above, and the manufacturing cost is remarkably reduced.

The application belongs to the technical field of plant raw material processing, and particularly relates to a preparation method of a blocky emulsion gel product simulating animal fat, which is formed based on a soybean protein and sodium alginate composite base and comprises the following steps: (1) mixing pure water, soybean protein and sodium alginate, then shearing at high speed, and dispersing and emulsifying in perilla oil; (2) adding gluconolactone, stirring and mixing, then immediately adding calcium carbonate while stirring, to form a first gel network; (3) after stirring, pouring into a mold for shaping, placing in a 4 DEG C refrigerator for gelation, forming a second protein network, and obtaining a simulated fat product with strong stability. The application forms a simulated fat with a complex double-network structure under the action of two kinds of inducing agents by constructing a protein-polysaccharide composite gel system, improves the stability and oiliness of the gel, and expands the cooking adaptability of the simulated fat.

The present invention belongs to the field of cell culture media. Provided are a method for preparing a stem cell culture medium by using a protein hydrolysate as a core raw material and a method of using the stem cell culture medium. The stem cell culture medium contains 20-80% of the protein hydrolysate on the basis of the total weight of the components in the stem cell culture medium. The protein hydrolysate comprises one or more of a high-free amino acid yeast hydrolysate, a high-nucleotide yeast hydrolysate, a high-glutathione yeast hydrolysate, a high-polypeptide yeast hydrolysate, a rice protein hydrolysate, a high-glutamine wheat protein hydrolysate, a pea protein hydrolysate and a soybean protein hydrolysate. The preparation of a natural animal stem cell culture medium by using a whole nutrient protein hydrolysate as a core raw material can meet the nutritional requirements for animal stem cell proliferation under the conditions of no additional addition or addition of a small amount of amino acids, vitamins, growth factors and serum, which effectively reduces the cost of the stem cell culture medium, thereby providing the stem cell culture medium with wide application prospects in the field of foods such as cultured meat.

The invention discloses a composition containing D-chiro-inositol as well as a preparation method and application of the composition. The composition comprises D-chiro-inositol, Myo-inositol and microcapsule powder, wherein the wall material of the microcapsule powder consists of anhydride modified edible protein and a polysaccharide compound; the edible protein is selected from at least one of spirulina protein, quinoa protein, whey protein and soybean protein; the polysaccharide compound comprises at least one of fucoidin and larch arabinogalactan. Active components are also embedded in the microcapsule powder, and comprise at least one of Omega-3, coenzyme Q10, astaxanthin and vitamin. According to the composition, the stability and bioavailability of fat-soluble active ingredients are improved through microencapsulation, and the composition has a synergistic effect with components such as D-chiro-inositol and Myoinositol, so that insulin resistance is effectively improved, female hormone balance is adjusted, and polycystic ovarian syndrome is improved. The process is simple, is suitable for large-scale production, and can be widely applied to dietary supplements or functional foods.

An object of the present invention is to provide a lactase solution showing good permeation through a filtration filter, a lactase solution showing good permeation through a filtration filter and having a good residual lactase activity, and a lactase solution showing good permeation through a filtration filter and having a good residual lactase activity even when a lactase solution having a low protease activity and a low arylsulfatase activity as contaminant enzymes is used.A lactase solution containing any of (i) to (iii) below.(i) 0.0001 to 0.1 mass % of an unsaturated fatty acid or a salt thereof(ii) 0.0001 to 0.1 mass % of a saturated fatty acid salt(iii) 0.01 to 10 mass % of at least one selected from yeast extract, soybean peptone, pea protein, a casein degradation product, and corn steep liquor

The invention discloses a high-strength and high-water-retention soybean meal-based adhesive and a preparation method thereof.The high-strength and high-water-retention soybean meal-based adhesive is prepared from, by weight, soybean protein meal, glucose oxidase, calcium sulfate oligomer, ethylene glycol diglycidyl ether and a dispersion medium, and the preparation method comprises the following steps that all the components are weighed according to the mass ratio; the preparation method comprises the following steps: dispersing glucose oxidase in a dispersion medium, uniformly dispersing soybean protein meal in the glucose oxidase dispersion liquid prepared in the step S1, heating for reaction, uniformly dispersing a calcium sulfate oligomer in the soybean protein meal dispersion liquid oxidized and catalyzed by the glucose oxidase prepared in the step S2, and uniformly dispersing the calcium sulfate oligomer in the soybean protein meal dispersion liquid oxidized and catalyzed by the glucose oxidase. And uniformly dispersing ethylene glycol diglycidyl ether in the dispersion liquid obtained in the step S3, and then stirring for 5 minutes. The adhesive disclosed by the invention has excellent properties in the aspects of bonding strength, water retention capacity, mildew resistance and sustainability.

The invention relates to the field of sewage treatment, in particular to a method for recycling soybean protein wastewater resources. The soybean protein wastewater recycling method provided by the invention comprises the following steps: 1) mixing soybean protein wastewater, activated carbon and quaternary ammonium salt modified chitosan, stirring, standing and precipitating to obtain a precipitate turbid solution; 2) mixing the precipitate turbid liquid with a fermentation inoculant, carrying out anaerobic acidogenic fermentation, and carrying out centrifugal separation to obtain a carbon source stock solution; 3) heating and denitrifying the carbon source stock solution, mixing with sodium alginate, dissolving, and spray-drying to prepare a sodium alginate-carbon source microcapsule; and 4) preparing a degradable porous suspended filler from polylactic acid, filling the sodium alginate-carbon source microcapsule into pores of the degradable porous suspended filler, and sealing to obtain the slow-release carbon source suspended filler. The method provided by the invention can improve the current soybean protein wastewater utilization rate, reduce resource waste, and solve the problem of final direction of the soybean protein wastewater.

The invention discloses a functional and recoverable vegetable protein adhesive with high strength and toughness and a preparation method of the functional and recoverable vegetable protein adhesive. The adhesive is prepared from the following components in parts by mass: 30 parts of soybean protein, 4 to 7.5 parts of acrylamide, 0.5 to 4 parts of methacryloyloxyethyl trimethyl ammonium chloride, 1 to 3 parts of a peptide self-assembly cross-linking agent, 1.6 parts of ammonium persulfate, 5 parts of a metal-polyphenol catalyst and 65 parts of a dispersion medium. The preparation method comprises the following steps: weighing the components in proportion, dispersing the acrylamide, the methacryloyloxyethyl trimethyl ammonium chloride, the peptide self-assembly cross-linking agent and the ammonium persulfate in a medium, uniformly stirring, adding the soybean protein, finally adding the metal-polyphenol catalyst, and uniformly dispersing. The self-assembled amphiphilic peptide fiber is introduced as a dynamic cross-linking agent, and a multi-stage energy dissipation structure is constructed in the adhesive, so that the mechanical strength, the toughness and the function customizability of the adhesive are remarkably improved, and meanwhile, room-temperature polymerizability, recoverability and reprocessing are realized.

The invention provides an Au-DTNB-Ag nanosphere, a preparation method and application of the Au-DTNB-Ag nanosphere in preparation of SERS (Surface Enhanced Raman Scattering) enhanced immunochromatography test paper. Wherein the Au-DTNB-Ag nanosphere comprises a nanogold core, a nanosilver shell and a self-assembly DTNB monomolecular layer located in the middle, the particle size of the nanogold core ranges from 16 nm to 18 nm, and the thickness of the nanosilver shell ranges from 17 nm to 18 nm. The invention also provides an SERS (Surface Enhanced Raman Scattering) immune probe using the nanosphere, DTNB in the Au-DTNB-Ag nanosphere is coupled with the rabbit-derived polyclonal antibody, and the invention also provides an application of the nanosphere or the immune probe in preparation of SERS enhanced immunochromatography test paper. The SERS technology is combined with the immunochromatography test paper, rapid and high-sensitivity quantitative detection and analysis of soybean allergen glycinin are achieved, actual sample detection of soybean products in daily life is achieved, a more convenient, rapid and efficient detection tool is provided for detection of allergens in food of allergic consumers, and the method is suitable for large-scale popularization and application. And reference opinions are provided for selection of consumers.

The invention relates to the technical field of fresh keeping, and particularly discloses a fruit and vegetable postharvest storage and transportation fresh keeping method based on a nano bacteriostatic agent, which comprises the following steps: cleaning and bacteria reducing: cleaning and bacteria reducing fruits and vegetables by adopting the nano bacteriostatic agent, then airing in an environment of 10-15 DEG C, and packaging the fruits and vegetables by adopting a modified atmosphere bag, then refrigerating and applying an external magnetic field in the process; a'biological + physical fresh-keeping 'technology of'nano bacteriostasis + modified atmosphere packaging + magnetic field' after fruit and vegetable picking is established, a nano bacteriostatic agent is used for modifying soybean protein, and a metal organic framework with high porosity and nanoscale and plant essential oil are fused in the nano bacteriostatic agent, so that the fruit and vegetable fresh-keeping agent has the advantages of no residue, long fresh-keeping time and the like; the method is high in preservation performance and capable of adsorbing pesticide residues, and has a wide application prospect in the field of fruit and vegetable preservation.

The invention relates to the technical field of furniture boards, and discloses an environment-friendly shaving board and a preparation method thereof.The environment-friendly shaving board is prepared from pentaerythritol glycidyl ether, hexadecyl dimethyl tertiary amine, epoxy chloropropane and the like, an obtained polyepoxy quaternary ammonium salt cross-linking agent generates multiple bonding effects with soybean protein, polyhydroxy phytic acid and graphene oxide, and the environment-friendly shaving board is prepared. The obtained environment-friendly flame-retardant mildew-proof adhesive and bamboo wood shavings are subjected to glue mixing and hot press molding, and the environment-friendly shaving board is obtained. Polyhydroxy phosphoric acid is rich in phosphorus element and has a flame-retardant effect; the quaternary ammonium salt group has a relatively good prevention and treatment effect on molds and chromotropic bacteria; the polyepoxy quaternary ammonium salt cross-linking agent is equivalent to a physical cross-linking point in the shaving board, and is nailed and anchored together with the bamboo shavings due to an adhesive, so that microcracks are prevented from further expanding into large cracks, the board blank is denser, and the reinforcing and toughening effects are achieved; the raw materials are wide in source, non-toxic, harmless, free of formaldehyde release and environment-friendly.

The invention belongs to the field of breeding of special aquatic products, and particularly relates to a bionic nutrient enrichment micro-capsule for jellyfish offspring seeds as well as a preparation method and application of the bionic nutrient enrichment micro-capsule. The capsule core is prepared from fish soluble powder, enzymolysis sea cucumber viscera powder, enzymolysis kelp powder, euphausia superba powder, scallop skirt powder, chlorella powder, schizochytrium limacinum powder, haematococcus pluvialis powder, diatomite, taurine, yeast wall-broken powder, disodium nucleotide, chondroitin sulfate, multivitamins and sodium carboxymethyl cellulose; the capsule wall consists of crab meat powder, fairy shrimp egg powder, L-glutamic acid, chitosan, sodium alginate, calcium glycinate, enzymolysis soybean protein and whey protein powder. According to the food intake requirements of the jellyfish offspring seeds, the superfine nutritional micro-capsules and the granular nutritional micro-capsules suitable for the jellyfish offspring seeds of different specifications are prepared.

The invention discloses instant high-protein food formed by compounding and extruding soybean protein and cereals and a preparation process of the instant high-protein food, and relates to the field of instant food, the instant high-protein food is prepared by adopting soybean protein powder, cereal powder and water as raw materials and performing extrusion puffing, and the raw materials comprise, by weight, 30-60 parts of soybean protein powder, 20-30 parts of cereal powder and 20-30 parts of water. 40 to 70 parts of cereal powder; the cereal flour is selected from at least one of oat flour, quinoa flour, coarse rice flour and whole wheat flour; the water accounts for 15-35% of the total dry weight of the raw materials; wherein the protein content (dry basis) is greater than or equal to 30%; the puffing density is 0.3-0.5 g / cm < 3 >; according to the invention, the raw materials are accurately selected, the high-quality vegetable protein is adopted, the cereal powder is reasonably matched, and the characteristic that the content of beta-glucan in the oat powder is not less than 4% is utilized, so that a continuous gel network structure is formed in the extrusion process; and the inhibition effect of a compact network formed by a vegetable protein molecular chain during extrusion expansion on gelatinization expansion of cereal starch is effectively relieved.

The present invention belongs to the technical field of rapid detection of drug sensitivity for bacteria. Disclosed are an enrichment culture medium, and a preparation method therefor and the use thereof. The enrichment culture medium comprises the following raw materials in parts by mass: 15.0-20.0 parts of tryptone, 3.5-5.5 parts of peptone, 1.5-3.5 parts of glucose, 5.0-6.5 parts of yeast extract, 2.0-2.5 parts of dipotassium phosphate, 2.0-3.5 parts of disodium hydrogen phosphate, 1.0-1.5 parts of monopotassium phosphate, 2.5-7.5 parts of sodium chloride, 12.0-18.0 parts of proteose peptone, 15.0-22.0 parts of beef heart infusion powder, 8.0-12.0 parts of soya peptone, 1.0-5.0 parts of 0.1% nicotinamide adenine dinucleotide (NAD), 30-100 parts of newborn calf serum inactivated at 56°C for 30 min, 2.0-4.0 parts of mannitol, 3.0-5.0 parts of sodium pyruvate, 0.23-0.45 parts of cycloheximide, 0.8-2.0 parts of 0.05% bromothymol blue, 2.5-4.5 parts of 0.1% methylene blue, and 1000 parts of distilled water, with the pH value of 6.8-7.5. The enrichment culture medium is used to screen effective therapeutic drugs for bacterial diseases in poultry, and is convenient to use and has a single enrichment effect superior to that of respective selective enrichment broths of target bacteria. Therefore, the culture medium can realize rapid proliferation of common pathogenic bacteria in poultry.

The invention discloses an aquatic product breeding feed capable of improving flavor and a preparation method thereof, and particularly relates to the technical field of breeding feeds, the feed comprises fish meal, soybean meal, soybean protein concentrate, shrimp meal, chicken meal, wheat flour, cuttlefish paste, phospholipid, grease, mineral substances, vitamins, lettuce polyphenol, an antioxidant, a mildew preventive and the like. Wherein the lettuce polyphenol is a key functional component. The preparation method comprises the following steps: pretreating the raw materials, mixing step by step, adding grease by spraying, tempering, granulating, drying, screening, spraying the antioxidant and the like. The lettuce polyphenol regulates and controls an mTOR signal channel to promote flavor amino acid deposition and inhibit protein degradation, meanwhile, the intestinal microecology is improved, the antioxidant capacity and digestive enzyme activity are enhanced, and the content of flavor substances such as glutamic acid and glycine in aquatic products is remarkably increased. The method is suitable for culturing various aquatic products, and can effectively improve the flavor and quality of the cultured aquatic products.

The invention relates to the technical field of agricultural planting, in particular to an apple planting method and application thereof in soil improvement. The planting method comprises the steps that goat milk diluent is sprayed to leaves, young fruits and roots of apple trees before apple bagging; root watering is conducted twice at the end of July and August every year, and goat milk diluent and ecological enzymes are applied according to the apple yield; the ecological enzyme is composed of apple enzyme and soybean protein. According to the method, the community structure of rhizosphere microorganisms is changed, the abundance of harmful bacteria is inhibited, the abundance of beneficial bacteria is increased, the soil quality is improved, apple nutrient substance accumulation is improved, the sugar-acid ratio of apples is remarkably increased, and the taste of the apples is improved.

The invention belongs to the technical field of biological organic fertilizers, and provides a multifunctional biological organic fertilizer based on agricultural and forestry wastes and a preparation method thereof. The preparation method comprises the following steps: combining chitosan oligosaccharide molecules with sepiolite, and combining a composite bacterial liquid with a chitosan oligosaccharide-sepiolite composite matrix to obtain a chitosan oligosaccharide-sepiolite-composite probiotic carrier; sodium sulfite and epichlorohydrin are utilized to enable the modified lignin to have higher solubility, and the modified lignin is combined with the nano montmorillonite to form a stable network through glutaraldehyde; converting the carbon-rich biomass into biochar, and combining starch, soybean protein and a mixed trace element solution to obtain a composite synergist; lignocellulose of agricultural and forestry wastes is subjected to structural damage, and cellulose and hemicellulose are degraded and a carbon source is provided for subsequent functional microorganisms under the synergistic effect of a compound enzyme solution; in the composting fermentation process, deep degradation of organic matters is achieved, a sodium alginate solution is sprayed to form a stable nutrient slow-release network, and meanwhile the water retention capacity of the particles is improved.

The invention provides low-GI healthy hulless oat premixed dumpling flour without starch-containing wheat flour and a preparation method of the low-GI healthy hulless oat premixed dumpling flour, and belongs to the technical field of food processing. According to the premixed flour, hulless oat flour is used as a main material, buckwheat flour, soybean meal, sesame powder, multiple kinds of protein (soybean protein, vital gluten and egg white protein) and konjaku flour, flaxseed powder, radix puerariae powder, semen cassiae powder and other natural ingredients are matched, and the boiled dumpling wrappers are prepared through the processes of scientific raw material matching, mixing and smashing, drying and the like. The technical problems that dumpling wrappers made of high-proportion hulless oat flour are difficult to form, are not resistant to boiling and are not formed when the wrappers are broken during boiling under the condition that wheat flour containing starch, edible gum and the like are not added are solved, and the formability, the chewiness, the elasticity and the ductility of the dumpling wrappers are remarkably improved. The product has the characteristic of low glycemic content and good processability, and is suitable for diabetics and healthy diet demanders.

The invention discloses a method for preparing ice cream by using soybean protein amyloid fiber, and belongs to a soybean byproduct utilization technology. The method comprises the following steps: (1) preparing the soybean protein amyloid fiber; (2) compounding ice cream; (3) preparing an ice cream emulsion; and (4) hardening and forming. According to the method, the characteristic that the soybean protein amyloid fiber can better inhibit ice crystallization is applied, the melting rate of ice cream is reduced to 26.38 + / -0.12 from the original 37.17 + / -0.03, and the SAFs content reaches 4.00 + / -0.34%. An experiment for inhibiting ice crystallization by amyloid fibers proves that SAFs prove the ice crystallization activity in the low-calorie ice cream stored at-18 DEG C for 7 days. The APFs are adsorbed on an air-water and fat-water interface, and the APFs have significant influence on the melting rate, appearance and color, particle size distribution, hardness, rheological properties and smell flavor of the ice cream. The research proves that SAFs is a cheap food-grade ice crystal active substance and has great potential in frozen desserts such as ice cream.

The invention discloses a preparation technology of an animal protein product capable of improving texture uniformity, and belongs to the technical field of animal protein product processing. The process comprises the following steps: S1, putting animal meat paste into a chopping and mixing pot, keeping the temperature of the chopping and mixing pot to be less than or equal to 5 DEG C, mixing and chopping the animal meat paste with 60-70% of formula amount of ice water, and chopping and mixing at 1200rpm for 3-5 minutes to form a protein continuous phase so as to obtain a fine meat paste base; s2, cassava starch and ice water with the amount being 20%-30% of the formula amount are premixed into turbid liquid, the turbid liquid is added into the fine and smooth meat paste base to be chopped and mixed at the speed of 800 rpm for 2-3 minutes, the protein continuous phase is filled with the cassava starch, and a starch filling phase is obtained; and S3, premixing the soybean protein with the remaining formula amount of ice water, adding the mixture obtained in the step S2, and chopping at 500rpm for 1-2 minutes to obtain the meat paste with uniform texture. The method can improve the texture uniformity of the animal protein product.

The application belongs to the field of SOD preparation, and discloses a preparation method and device of SOD resistant to pepsin degradation, which comprises the following steps: S1 powder preparation: dissolving SOD fermentation pure liquid in a buffer solution with pH of 5.2-7.8, adding protective agent and tea yellow in sequence, stirring, filtering, and placing in a freeze dryer to prepare freeze-dried powder; S2 drying; S3 tabletting; S4, coating liquid preparation: dissolving wheat gliadin and soybean protein in a mixed solution prepared from water and ethanol with a volume ratio of 1:1, wherein the mass ratio of the wheat gliadin and the soybean protein is 0.5-1:1, adding glycerol, stirring for 20 min by using a magnetic stirrer, and ultrasonicating for 40 s; S5, coating: placing the tablets in a coating machine, setting air inlet volume, air inlet temperature, pan rotating speed, atomization rate, fan face pressure, and mortar flow, until the coating weight increases to 3%-10% in mass fraction and the coating thickness is 20-50 μm, and then drying and cooling. The prepared SOD is not easy to be photolyzed and can resist gastric acid degradation to ensure the complete activity of the SOD.

Belongs to the field of cell culture media. The stem cell culture medium contains 20-80% of protein hydrolysate on the basis of the weight of the total components in the stem cell culture medium. The protein hydrolysate comprises one or more of a high free amino acid yeast hydrolysate, a high nucleotide yeast hydrolysate, a high glutathione yeast hydrolysate, a high polypeptide type yeast hydrolysate, a rice protein hydrolysate, a high glutamine wheat protein hydrolysate, a pea protein hydrolysate and a soybean protein hydrolysate. The animal stem cell natural culture medium is prepared by taking the full-nutrition protein hydrolysate as a core raw material, so that the nutritional requirements of animal stem cell proliferation can be met under the condition of not additionally adding or adding a small amount of amino acids, vitamins, growth factors and serum, and the cost of the stem cell culture medium is effectively reduced; therefore, the method has a wide application prospect in the field of food such as cell culture meat.

The utility model discloses a soybean fiber mattress which comprises a periphery, a wormwood fiber antibacterial fabric is arranged at the top of the inner side of the periphery, an upper high-density comfortable sponge is arranged at the bottom end of breathable pressure relief cotton, soybean fibers are arranged at the bottom end of an upper antibacterial non-woven fabric, a high-carbon manganese refined steel spring is arranged at the bottom end of upper environment-friendly fiber cotton, and a lower high-density comfortable sponge is arranged at the bottom end of the upper environment-friendly fiber cotton. The bottom end of the lower environment-friendly fiber cotton is provided with a lower antibacterial non-woven fabric, the bottom end of the lower density comfortable sponge is provided with a breathable knitted fabric, soybean protein fibers are independently researched and developed by textile science and technology workers in China and are a high and new technology which achieves industrial production for the first time internationally, and the soybean fiber mattress is hard in sleeping feeling and high in breathability. Compared with a traditional coir mattress, the coir mattress is more comfortable and healthy, is more suitable for infants and pregnant women to use, adopts a multi-layer structure to adjust the hardness and the air permeability of the mattress, and is suitable for different crowds to use.

The invention discloses a preparation method of low-sugar paper food, which is characterized in that sorghum is subjected to curing (baking) and enzymolysis to obtain low-sugar carbon water liquid; performing enzymolysis on soybean protein powder, sodium caseinate and papain, and performing sieving and colloid milling to obtain protein liquid; and adding the protein liquid, the low-sugar carbon water liquid, polyethylene glycol and medium-chain triglyceride, stirring, homogenizing and drying to obtain the paper food with the thickness of 0.1-3mm. The paper sheet food is thin in appearance, good in dissolubility, capable of being dissolved in oral saliva, fine and smooth, capable of being eaten without chewing and low in sugar content.

The utility model relates to the technical field of soybean protein pretreatment, in particular to a pretreatment device for soybean protein extraction, which comprises a main body mechanism serving as a device main body, the main body mechanism comprises an outer shell and is provided with an anti-blocking mechanism used for avoiding blockage in the soybean crushing process, and the outer shell is provided with an anti-blocking mechanism. And a separating mechanism for simply and conveniently separating bean dregs from crushed soybeans is arranged in the main body mechanism. The separating mechanism is arranged, so that bean dregs can be effectively separated when the screen plate is detached, when the device normally screens crushed soybean materials, the crushed soybean materials with composite specifications slide towards one side under the action of a separating plate after passing through the screen plate, and after the soybean crushing is completed, the bean dregs are separated from the screen plate. The separating plate is rotated by 120 degrees through the rotating handle, at the moment, the sieve plate is pulled out through the pulling block, bean dregs on the sieve plate fall to the other side under the action of the scraping plate and the scraping block, the situation that smashed soybean is mixed with the bean dregs is avoided, and the soybean discharging quality is guaranteed.

The invention discloses a degradable packaging film for fresh keeping of fruits and vegetables as well as a preparation method and application of the degradable packaging film, and belongs to the technical field of food packaging materials. The preparation method of the degradable packaging film for fruit and vegetable preservation comprises the following steps: dissolving chitosan in an acetic acid solution, adding soybean protein isolate, adjusting the pH value of the solution to 2-4, and stirring at 80-90 DEG C to obtain a soybean protein fiber solution; adding plant essential oil into the soybean protein fiber solution, stirring at a high speed, adding into the konjac glucomannan solution, continuously stirring to obtain a film-forming solution, pouring the film-forming solution on a flat plate, and drying to obtain the degradable packaging film for fresh keeping of fruits and vegetables. The prepared degradable packaging film for fruit and vegetable fresh-keeping is degradable, capable of blocking gas, antibacterial and antioxidant, has high mechanical performance, can effectively keep the freshness of packaged fruits and vegetables, and can serve as a fruit and vegetable fresh-keeping packaging film to prolong the shelf life.