21 results about "Glyceollin" patented technology

The invention belongs to the technical field of biotechnology and protein determination, and particularly relates to confining liquid as well as a preparation method and application thereof. Modified bovine serum albumin and recombinant casein polypeptide are used as core components of the confining liquid, hydroxypropyl-beta-cyclodextrin, polyglycerol fatty acid ester and other auxiliary components are added, and the confining liquid is prepared through a specific technology. The modified bovine serum albumin and the recombinant casein polypeptide have a synergistic effect, so that active sites of the detection carrier can be efficiently sealed; the stabilizing agent and other components are supplemented, so that the stability and compatibility of the confining liquid are improved. The confining liquid is simple and convenient in preparation process, controllable in cost, suitable for various detection carriers such as elisa plates and nitrocellulose membranes, capable of reducing non-specific binding and improving detection sensitivity, and suitable for various biological detection scenes such as enzyme-linked immunosorbent assay.

The invention relates to a winter wheat drought-resistant composition system and an application method thereof, and belongs to the technical field of agricultural chemistry. The technical problems that an existing single formula cannot meet the differentiation requirements of root promotion in the tillering stage and leaf protection in the heading stage of winter wheat, so that root system development is poor, the photosynthetic efficiency is reduced and the yield loss is serious under the drought condition are solved. The system comprises a formula A, a formula B and a formula C, wherein the formula A contains 35-45 mmol / L of glycine betaine, 5-8 mmol / L of trehalose and 0.1-0.5% (w / v) of polyglycerol fatty acid ester; and the formula B contains 55 to 65 mmol / L of glycine betaine, 0.2 to 0.4 mmol / L of salicylic acid and 0.1 to 0.5 percent (w / v) of polyglycerol fatty acid ester. When the water content of a soil layer of 0-20 cm is smaller than or equal to 12% and wheat is in the tillering last stage, the formula A is sprayed, and root growth is promoted; when the wheat is in the heading stage, the formula B is sprayed to protect the physiological functions of canopies. The system is mainly used for improving the drought resistance of the winter wheat under continuous drought stress, stabilizing the yield and reducing the biomass loss.

The invention discloses a flavor-improved soybean fermented yoghurt drink and a preparation method thereof, the flavor-improved soybean fermented yoghurt drink comprises a soybean yoghurt blank and soybean yoghurt drink ingredients, the soybean yoghurt blank is prepared by fermenting a yoghurt fermentation substrate and yoghurt fermentation compound bacteria powder, the yogurt fermentation substrate is prepared from the following raw materials: 5 to 10 percent of cured soybean meal, 3 to 10 percent of white granulated sugar, 3 to 10 percent of coconut milk, 3 to 5 percent of maltodextrin, 0.3 to 0.5 percent of starch, 0.1 to 0.3 percent of pectin, 0.02 to 0.05 percent of gellan gum, 0.02 to 0.05 percent of gamma cyclodextrin, 0.1 to 1.0 percent of mono / diglycerol fatty acid ester, 0.3 to 1.0 percent of sodium citrate, 0.3 to 1.0 percent of sodium bicarbonate and the balance of water. According to the flavor-improved soybean fermented yoghurt drink, introduction of extra peculiar smell is avoided, no obvious peculiar smell exists, the adding amount of gamma cyclodextrin is only 0.02-0.05%, the price is low, conventional equipment is used in the process, high investment is not needed, and industrialization is facilitated.

To provide a food / beverage preserving / quality-improving agent and food / beverage preserving / quality-improving method, containing, as active ingredients, a food material that does not affect flavor of food even at a concentration that exhibits a shelf life improving effect and that exhibits further stable antibacterial activity.SOLUTION: A food / beverage preserving / quality-improving agent contains, as active ingredients, one or more types selected from groups consisting of water-soluble extracts of: horseradish and brewed vinegar; acetic acid, lactic acid, citric acid, malic acid, fumaric acid, adipic acid, gluconic acid, succinic acid and salts thereof; glycine, alanine, milt protein, poly-lysine, nisin, degraded pectin, hop extract, capsaicin extract, licorice oil extract, egg-white lysozyme, calcined calcium, sucrose fatty acid ester, glycerin fatty acid ester, and thiamine dilaurylsulfate.SELECTED DRAWING: None

This invention relates to the field of dairy product technology, specifically to a black sesame health-promoting dairy product and its preparation method. The black sesame health-promoting dairy product is composed of the following raw materials in the indicated mass fractions: 75-90% raw milk, 4-8% black sesame powder, 0.5-2% sweetener, 0.2-1% stabilizer, and the balance being water. The stabilizer is at least one of carrageenan, carboxymethyl cellulose, xanthan gum, sodium alginate, soybean lecithin, diglycerides of fatty acids, starch, or modified starch. The modified starch prepared by this invention has the advantages of increasing the viscosity of the dairy product, improving the emulsification stability of milk fat, and enhancing texture and taste. The black sesame health-promoting milk prepared by this invention has high stability, extends the product's shelf life, and has a relatively high protein content, increasing consumer appeal.

The invention belongs to the technical field of candy preparation, and particularly relates to a collagen peptide, donkey-hide gelatin and camellia oil gel candy and a preparation method thereof.The collagen peptide, donkey-hide gelatin and camellia oil gel candy is of a double-material structure comprising stuffing and a candy body, the camellia oil comprises the following components: 46%-50% of camellia oil, 4%-9% of fish collagen peptide powder, 3%-8% of glutathione yeast powder, 3%-8% of skipjack elastin peptide, 3%-8% of mono / diglycerol fatty acid ester, 3%-8% of donkey-hide gelatin powder, 1%-3% of ginseng powder, 2%-7% of pomegranate fruit powder and 2%-7% of blueberry fruit powder. The sugar body comprises the following components in percentage by dry weight: 28%-38% of gelatin, 42%-52% of sorbitol, 14%-19% of purified water, 6%-11% of glycerol and 0.5%-1% of caramel color; the weight ratio of the sugar body to the stuffing is 7: 3, and through the synergistic effect of multiple components, the three core effects of skin care, nutrition tonifying and intestine and stomach conditioning are achieved; meanwhile, through process optimization, the hardness is stable, the taste is elastic, the heavy metal and microbiological indexes meet the safety standard, and the method is suitable for large-scale production and application in the field of healthy food.

To provide a tafamidis-containing pharmaceutical composition that suppresses crystal transition from the form 4 to the form 1, and stably maintains the form 4.SOLUTION: Provided is a tafamidis-containing pharmaceutical composition containing tafamidis of the form 4, and one or more additives selected from the group consisting of glycerine, concentrated glycerin, glycerol fatty acid ester, polyethylene glycol fatty acid ester, vegetable oil, soybean lecithin and liquid paraffin. In the tafamidis-containing pharmaceutical composition, the glycerol fatty acid ester may be decaglyceryl trioleate or decaglyceryl decaoleate, and the vegetable oil may be soybean oil or castor oil.SELECTED DRAWING: Figure 5

The invention belongs to the technical field of biological medicine and nanotechnology, and particularly discloses application of a food-grade emulsion nanoparticle and an autophagy inhibitor in preparation of antitumor drugs, the food-grade emulsion nanoparticle is an emulsion nanoparticle FLNs prepared by mixing soybean oil as a base oil phase, monoglyceride as an emulsifier and PBS as a water phase; and the autophagy inhibitor is 3-MA. According to the invention, a strategy of'supporting death 'tumor cells is utilized, food-grade emulsion nanoparticles FLNs are combined with an autophagy inhibitor 3-MA for intratumor injection, effective inhibition of growth and metastasis of subcutaneous heterogeneous tumors is realized, no obvious toxic or side effect is found, and a safe and efficient anti-tumor strategy based on intratumor injection is expected to be developed.

The invention discloses a hydrophobic self-cleaning film for glass as well as a preparation method and application of the hydrophobic self-cleaning film, and belongs to the technical field of functional films. The preparation method of the film comprises the following steps: mixing the PET master batch, the PE resin and the nano silicon micro powder to form a pretreatment substance; adding polyglycerol fatty acid ester, epoxidized soybean oil, a hydrophobic functional agent and polyethylene glycol 200, stirring, homogenizing, and carrying out hot press molding to obtain a base film; and mixing hydroxyethyl acrylate, hydrogenated rosin and polyethylene glycol 400, and coating the mixture on the lower surface of the base film to obtain the film. Compared with the prior art, the contact angle of the thin film can reach 155 degrees, the light transmittance reaches up to 92.5%, and the thin film has good weather resistance and adhesive force, is suitable for the fields of automobile windows and the like, and can effectively reduce stain adhesion, reduce cleaning frequency and prolong the service life.

This invention belongs to the field of biochemical technology and relates to a method for producing 1,3-diglyceride by immobilizing lipase with imino-modified nanomaterials. The method involves mixing glycerol, fatty acids, and lipase immobilized with imino-modified nanomaterials, and reacting the mixture at 40–80°C for 1–10 hours with stirring to obtain a mixture containing 1,3-diglyceride. The imino-modified nanomaterials synthesized in this invention serve as a carrier for immobilizing lipase to synthesize 1,3-diglyceride. Compared with lipase immobilized on a carrier without immobilization, the content of 1,3-diglyceride can be increased by nearly 20% when using the immobilized enzyme on the imino-modified carrier. The immobilization method in this invention exposes the active sites of the lipase and facilitates the formation of an oil-water interface, resulting in a higher catalytic effect.

The present application relates to a cosmetic. [Problem] To provide a cosmetic which is excellent in use feeling. [Solution] A cosmetic comprising (A) a glycine derivative having a specific structure or a salt thereof, (B) a polyglycerin fatty acid ester, and (C) water.

The invention discloses a nano ultramicro liquid DHA composition and a preparation method thereof, and belongs to the technical field of functional foods. The composition is prepared from the following raw materials: DHA algae oil, phosphatidylserine, walnut peptide, cerebroprotein peptide, curcumin, piperine, a herba cistanche extract, a hericium erinaceus extract, vitamin B6, vitamin B12, magnesium citrate, maltitol liquid, concentrated apple clear juice, yellow lemon concentrated liquid, green lemon concentrated juice, sodium citrate, edible essence, polyglycerol fatty acid ester and soybean powder phospholipid. Sodium ascorbate, glycerol and water; the preparation method comprises the following steps: (1) weighing raw materials; (2) premixing the component 1; (3) premixing a component 2; (4) pre-dissolving the component 3; (5) preparing a coarse emulsion; (6) performing superfine emulsification; (7) blending and mixing; (8) homogenizing and emulsifying; (9) filling and sealing; and (10) sterilizing. The composition is suitable for heart and intelligence nutrition supplement of children and special crowds, and has good taste, physical stability and oral absorption performance.

To provide a cosmetic having excellent use feeling while containing a skin aging prevention component.SOLUTION: An oil-in-water type cosmetic contains the following components (A) and (B). (A) 0.2 to 1.0 mass% of dipotassium glycyrrhizinate for the entire cosmetic, and (B) polyglyceryl fatty acid ester.SELECTED DRAWING: None

The present application relates to the technical field of microorganism and new medicine and pesticide, and particularly relates to a new glycolipid active compound containing sugar, and further discloses a preparation method and application of the glycolipid active compound containing sugar.The glycolipid active compound containing sugar FW-6-2 has cytotoxic activity on staphylococcus aureus and micrococcus luteus in bacteria through activity testing, and not only a new glycolipid active compound containing sugar is found, but also a lead compound for research and development of a new bacterium inhibiting medicine is provided.

The invention provides a lipid emulsion with improved stability and oxidation resistance as well as a preparation method and application of the lipid emulsion. The lipid emulsion comprises a wall material, lipid and an emulsifier, wherein the wall material is prepared from raw materials including polysaccharide and protein through freeze-drying treatment and dry heat treatment in sequence; the emulsifier is selected from at least one of soybean lecithin, sodium caseinate and mono-and diglycerol fatty acid esters; the lipid comprises at least one of algae oil, krill oil, fish oil and palm oil; the treatment temperature of the dry heat treatment is 60-80 DEG C, and the treatment time is 8-20 hours. The lipid emulsion provided by the invention has the characteristics of high stability and capability of inhibiting nutritional ingredients from being oxidized.

The invention relates to a preparation method and application of an emulsifier of plant-derived amphiphilic protein, and belongs to the technical field of emulsifiers. The invention provides a preparation method of an emulsifier, which comprises the following steps: carrying out enzymolysis, acetylation modification, citric anhydride modification and glycosylation treatment on a vegetable protein raw material, and the prepared emulsifier can be applied to essence, face cream and facial cleanser. Vegetable protein is partially hydrolyzed through alkaline protease, hydrophobic groups are exposed, hydrophilic segments are reserved, a natural amphiphilic structure is formed, on the basis, modification is carried out by means of acetylated mono / diglycerol fatty acid ester solution, citric anhydride and glucose, the hydrophilicity and solubility of protein are improved, the stability of the emulsifier is enhanced, and the stability of the emulsifier is improved. And precipitation or layering is avoided.

The invention discloses a fatty acid ethyl ester transesterification method. The method comprises the following steps: S1, feeding glycerol and fatty acid ethyl ester into a batching kettle to be mixed with enzyme; s2, introducing nitrogen through a high-pressure nitrogen feeding end, carrying out transesterification reaction to generate triglyceride type fish oil, and simultaneously generating gas ethanol and redundant nitrogen as byproducts; s3, purging the kettle bottom through a first nitrogen nozzle arranged at the bottom of the batching kettle to loosen the enzyme at the kettle bottom; s4, ethanol and nitrogen are pumped into a condenser through a vacuum pipeline and a vacuum pump, the ethanol is condensed into a liquid state and then guided into an ethanol tank to be collected, and uncondensed nitrogen is conveyed into a nitrogen tank to be recycled; s5, filtering the enzyme by using a first filter plate at the bottom of the batching kettle, and outputting a product through a first discharge pipe; the nitrogen tank serves as the feeding end of circulating nitrogen to supply nitrogen to the nozzle. By optimizing a raw material feeding path, arranging a multi-stage filter plate structure and adopting the design of vacuum negative pressure alcohol extraction, nitrogen recycling and the like, the yield and the product purity of triglyceride are improved.

The invention discloses a genetically engineered bacterium for producing 7-DHC and application of the genetically engineered bacterium. Compared with a chassis bacterium, the genetically engineered bacterium expresses DHCR24 enzyme, and at least two of the coding genes TGL3, TGL4 and TGL5 of the triacylglycerol lipase have defects; the base bacteria are Saccharomyces cerevisiae, and the base bacteria are Saccharomyces cerevisiae. The invention also provides a method for constructing the genetically engineered bacterium for producing the 7-DHC and a method for preparing the 7-DHC. The genetically engineered bacterium increases the yield of 7-DHC by inhibiting degradation of triacylglycerol, and has a good industrial application prospect.

The invention relates to the field of saline-alkali soil improvement, in particular to pantoea agglomerans and application thereof in saline-alkali soil improvement. The method for improving the saline-alkali soil comprises the following steps that ditching and ridging are conducted on saline-alkali soil, concave ditches are dug in ridges, sweet potatoes are planted on the two sides of the concave ditches, and a microbial agent is added into the concave ditches after the sweet potatoes are planted; the preparation method of the microbial agent comprises the following steps: by taking a pantoea agglomerans suspension as a core material, mixing the core material with an encapsulation carrier, and then preparing the pantoea agglomerans liposome by adopting a hot spraying manner, the encapsulated carrier comprises chitosan, polyglycerol fatty acid ester and ceramide, and uniformly mixing the pantoea agglomerans liposome with the microbial agent carrier to obtain the microbial agent; the microbial agent carrier is prepared by mixing wheat bran, charcoal and activated carbon. By adopting the improvement method disclosed by the invention, the effect of obviously reducing the salinity of the saline-alkali soil can be achieved, and meanwhile, the activity of beta-glucosidase and sucrase of the soil can be improved.

The invention relates to the technical field of food, in particular to a modified milk protein solution and milk coffee powder. The modified milk protein solution is prepared by performing enzymolysis on skimmed milk by using a compound enzyme to prepare enzymolysis skimmed milk; then carrying out glycosylation modification on the enzymolysis skimmed milk by adopting lactose to prepare a modified milk protein solution; the compound enzyme comprises protein-glutaminase and triacylglycerol lipase. When the modified milk protein solution is used for preparing the milk coffee, the fat feeling, flavor and sweetness after the skimmed milk powder and the coffee powder are combined can be improved, and the solubility of the milk coffee can be improved. White granulated sugar, sugar substitutes, grease powder, non-dairy creamer and other auxiliary materials and food additives do not need to be added, the pursuit of consumers with low fat and no food additives is met, and the problems that the instant milk coffee is unhealthy, low in solubility, poor in flavor and the like are solved.