743 results about "Unsaturated fatty acid" patented technology

The present disclosure describes a Pseudococcus preparation and a preparation method and application thereof, the Pseudococcus preparation comprises an active ingredient, the active ingredient comprises a specific pro-inflammatory regression mediator (SPMs) and a pro-inflammatory regression mediator (PRMs), the specific proinflammatory regression medium and the proinflammatory regression medium are generated by catalyzing unsaturated fatty acid synthesized by micrococcus by own enzyme. According to the invention, the invention can provide the micrococcus preparation containing the specific proinflammatory regression medium and the proinflammatory regression medium as well as the preparation method and the application of the micrococcus preparation.

The invention discloses a traditional Chinese medicine composition for improving mutton quality and a preparation method thereof, and belongs to the technical field of feed additives. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 20 to 30 parts of radix angelicae, 10 to 15 parts of radix astragali seu hedysari, 10 to 15 parts of fructus crataegi and 10 to 15 parts of radix salviae miltiorrhizae. Experiments prove that by adding the traditional Chinese medicine composition provided by the invention into basic ration, the tenderness, meat color brightness, hardness, elasticity and other quality characteristics of mutton can be obviously improved; the content of unsaturated fatty acid in the mutton can be remarkably increased, and the purpose of improving the mutton quality is achieved. The invention provides a new choice for improving the mutton quality.

The present invention addresses the problem of providing a novel transparent cleaning agent having high cleaning power and excellent long-term stability even when containing water. The transparent cleaning agent for solving the problem of the present invention is characterized by being of a water-containing reverse micelle type containing the following components (A) to (F). (A) an ester of a fatty acid having 8-10 carbon atoms and a polyglycerol; (B) an ester of a branched fatty acid having 14-22 carbon atoms and / or an unsaturated fatty acid and a polyglycerol; (C) an aliphatic alcohol and / or fatty acid that is liquid at 25 DEG C; (D) an oil agent (excluding component (C)) containing a hydrocarbon oil; (E) more than 0% and 10% by mass or less of water; and (F) a polyol.

The invention provides a yak healthy feeding optimization method and system based on machine learning. The yak healthy feeding optimization method comprises the steps of obtaining a basic data set; according to the basic data set, performing erucic acid metabolic pathway feature construction to obtain a feature set representing erucic acid mediated lipid metabolic pathway; according to the lipid metabolism path feature set, meat quality improvement effect quantification is carried out, and probability distribution of unsaturated fatty acid deposition efficiency is obtained; according to the probability distribution, feeding amount reverse deduction is carried out, and a high-erucic-acid rapeseed oil intake interval is obtained through calculation; health benefit balance is carried out according to a high-erucic acid rapeseed oil intake interval, and a stable feeding strategy is obtained; biological rationality verification is carried out according to a stable feeding strategy, the continuity of the mapping relation between the feeding amount and the meat quality index is analyzed based on the topological structure of the feature space, and a healthy yak feeding optimization scheme is obtained. The feeding precision, the meat quality improvement effect stability and the yak health guarantee level are improved.

The invention relates to the technical field of genetic engineering, in particular to a recombinant vector, an expression plasmid, a recombinant schizochytrium limacinum mutant and a method for increasing the DHA content of microorganisms. The LIP1 gene for coding lipase in the microbial lipid droplet protein is knocked out through a homologous recombination technology, and the production of lipase in the microbial lipid droplet can be effectively inhibited, so that the hydrolysis process of triglyceride of polyunsaturated fatty acid stored in the lipid droplet to glycerol and free fatty acid in the later stage of microbial culture is blocked, and DHA is prevented from being lost from a TAG repository; experimental verification shows that in microorganisms represented by schizochytrium limacinum, the DHA content can be increased by 21.8% compared with that of a wild type, the yield and purity of DHA are increased, the stability of the microbial fermentation process is guaranteed, and application and popularization are facilitated.

The invention belongs to the field of food processing, and discloses a preparation method and application of a targeted colon delivery polyunsaturated fatty acid grease microcapsule. 11S globulin in soybeans and Arabic gum are used as wall materials of the microcapsule, complex coacervation of the 11S globulin in the soybeans and the Arabic gum is induced under a certain pH condition, so that oil drops are wetted by a coacervate, a core-shell structure is formed, a coacervate phase is further stabilized through glucan to inhibit coalescence, and on the basis, the microcapsule is prepared. And tannic acid, polysaccharide and protein can form hydrogen bonds and generate hydrophobic interaction to further crosslink the condensed phase to obtain the microcapsule capable of resisting digestion of the stomach and the small intestine, so that colon delivery of polyunsaturated fatty acid is realized.

The invention relates to the technical field of microbiology and food processing, in particular to pediococcus acidilactici and application of the pediococcus acidilactici in preparation of a brain-intestinal axis regulating efficacy metagen product.The high-activity pediococcus acidilactici DY-1 is separated out from natural fermentation pickles of super-polyselenium plant cardamine violifolia for the first time; the strain can be widely applied to fermentation of high-selenium plant-based food, can significantly promote glycolysis release of selenium-containing active substances, has good acid resistance, high protease activity and high lipase activity, can fully ferment plant-based fermentation raw materials, and has high yield. Glycolysis of macromolecular substances such as protein, saccharides and fat is facilitated, accumulation of active ingredients such as essential amino acid, unsaturated fatty acid, alkaloid and phenolic substances is promoted, and the edibility and functionality of the product are improved; and the organic selenium-rich metagen product prepared by sterilizing the fermentation mixture can synergistically improve human body cognition and emotion regulation regulated by microorganism-intestinal-brain axis.

The invention discloses a method for screening carp dominant parents with high total polyunsaturated fatty acid content. The method comprises the steps that training feature data and training target data are obtained, the training feature data comprise SNP genotype information of a training sample, and the training target data comprise polyunsaturated fatty acid total content information of the training sample; training the ridge regression model by using the training feature data and the training target data to obtain a prediction model; obtaining SNP genotype information of a to-be-detected sample; obtaining a breeding value of the to-be-detected sample according to the SNP genotype information of the to-be-detected sample and the prediction model; and screening the carp dominant parents with the total content of polyunsaturated fatty acids according to the breeding values. According to the method, the breeding value of the carp can be directly obtained according to the SNP genotype information of the sample to be detected and the prediction model, so that dominant parents with high carp polyunsaturated fatty acid content are screened from the sample to be detected, and an excellent material is provided for new carp germplasm identification and breeding.

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

To provide a carbon fiber reinforcement agent which can reinforce a carbon fiber by simple work having low environmental load, a reinforcement carbon fiber using the carbon fiber reinforcement agent, and a carbon fiber sheet which is thin and is excellent in drape property.SOLUTION: A reinforcement carbon fiber contains a carbon fiber, and a carbon fiber reinforcement agent included in the carbon fiber, wherein the carbon fiber reinforcement agent contains a solid resin composed of a polymer of an unsaturated fatty acid or its derivative, and the reinforcement carbon fiber has a void ratio of 5% or less.SELECTED DRAWING: None

The invention provides a negative electrode piece, a battery, an energy storage device and electric equipment, the negative electrode piece comprises a negative electrode current collector, at least one surface of the negative electrode current collector is provided with a negative electrode material layer, and the negative electrode material layer comprises a negative electrode material and a negative electrode binder; the negative electrode binder comprises modified styrene-butadiene rubber particles formed by a styrene-butadiene rubber main chain, long-chain unsaturated fatty acid with the carbon chain length of C14-C24 and an anhydride compound; the average particle size of the modified styrene butadiene rubber particles is D50, and D50 is larger than or equal to 190 nm and smaller than or equal to 210 nm.

The present application discloses a rumen-passed Schizochytrium preparation, a preparation method of the rumen-passed Schizochytrium preparation, and an application thereof. The rumen-passed Schizochytrium preparation comprises a core material and at least one layer of coating, wherein the core material comprises calcium alginate microspheres embedded with Schizochytrium cells, and the coating is coated on the core material so that the oil is wrapped in the calcium alginate microspheres, thereby improving the stability of unsaturated fatty acids and reducing the risk of unsaturated fatty acids leaking in the rumen; the preparation method comprises firstly subjecting the Schizochytrium fermentation product to calcium alginate microsphere embedding and immobilization treatment, then drying the immobilized fermentation product to obtain the core material, and finally coating the core material to obtain the rumen-passed Schizochytrium preparation, effectively avoiding the problems of "pipeline blockage" and "oxidation and deterioration of Schizochytrium powder", thereby improving the yield of Schizochytrium powder in the drying process and simplifying the preparation process, and the finally prepared rumen-passed Schizochytrium preparation has an ideal hardness.

The present disclosure provides a compound for use in therapeutic and / or prophylactic treatment of non-alcoholic steatohepatitis (NASH) and / or alcoholic steatohepatitis (ASH). The compound for use according to the invention, is an unsaturated fatty acid with an oxygen incorporated in the β-position, and further comprising an α-substituent. More particularly, the invention provides a compound for use in treatment of NASH and / or ASH, and a method using this, wherein the compound is of Formula (II), wherein R1, R2, R3, X, and Y are as defined in the specification; and wherein this compound may be administered alone or in combination with an additional active agent.

The disclosure provides methods for increasing saturated, monounsaturated, and poly unsaturated fatty acid production using the PUFA gene cluster plasmid and the gene regulator pfaR.

The present invention provides a method for preparing Maillard polyunsaturated fatty acid oil microcapsules. The method for preparing the polyunsaturated fatty acid oil microcapsules comprises the following steps: (1) dissolving sodium caseinate, glucose and lactose in water and mixing them evenly, adding a moisture retaining agent, adjusting the Maillard reaction pH to 8-10, and obtaining an aqueous phase after the reaction; (2) adding polyunsaturated fatty acid oil to the aqueous phase and emulsifying by shearing; (3) adding cellulose and its derivatives to the system obtained in step (2), and shearing to obtain an emulsion; the content of polyunsaturated fatty acid oil in the polyunsaturated fatty acid oil microcapsules is not less than 40wt%. The preparation method provided by the present invention can improve the rehydration property of the Maillard microcapsule product with high oil content, while ensuring that the product is not over-dried, improving the product sensory properties, and ensuring its sensory stability during the shelf life.

The invention provides a treatment process for removing harmful substances in meat products, and relates to the technical field of meat product treatment. The treatment process for removing the harmful substances in the meat product comprises the following steps: S1, raw meat pretreatment; S2, treatment liquid soaking; S3, centrifugal separation; and S4, post-treatment. Microbial enzymes comprise lipase used for decomposing fat, protease used for degrading pollutants combined with protein, antioxidant enzyme used for scavenging free radicals and lactamase used for specifically degrading antibiotics, treated meat can become unsaturated fatty acid, intake of the unsaturated fatty acid in the human body is small, digestion is fast, and therefore people are not prone to being thick in blood and high in blood pressure.

The present invention relates to a composition comprising, preferably consisting of, (i) a single empty liposome, wherein said single empty liposome is selected from (a) an empty liposome comprising cholesterol, wherein the amount of cholesterol is at least 30% (weight per weight), wherein preferably said empty liposome comprising, further preferably consisting of, cholesterol and sphingomyelin; or (b) an empty liposome consisting of sphingomyelin; or (ii) a mixture of empty liposomes; wherein said mixture of empty liposomes comprises, preferably consists of, at least one empty liposome selected from (a) an empty liposome comprising cholesterol, wherein the amount of cholesterol is at least 30% (weight per weight), wherein preferably said empty liposome comprising, further preferably consisting of, cholesterol and sphingomyelin; (b) an empty liposome consisting of sphingomyelin; and (c) an empty liposome comprising, preferably consisting of, phosphatidylcholine and sphingomyelin; and at least one empty liposome independently of each other selected from an empty liposome comprising, preferably consisting of, lipids or phospholipids selected from cholesterol, sphingomyelins, ceramides, phosphatidylcholines, phosphatidylethanolamines, phosphatidylserines, diacylglycerols, and phosphatidic acids containing one or two or more saturated or unsaturated fatty acids longer than 4 carbon atoms and up to 28 carbon atoms; for use in a method for preventing or reducing biofilm formation or for eradicating or reducing existing biofilm.

The invention provides vitamin B12 modified microspheres capable of efficiently loading His tag recombinant protein as well as a preparation method and application of the vitamin B12 modified microspheres, and belongs to the technical field of biological medicines. The preparation method of the vitamin B12 modified microsphere for efficiently loading the His tag recombinant protein comprises the following steps: (1) carrying out esterification reaction on unsaturated fatty acid containing sulfydryl, disulfide bond or olefinic bond, saturated fatty acid and vitamin B12 to prepare an amphiphilic vitamin B12-lipid conjugate; and (2) taking the amphiphilic vitamin B12-lipid conjugate, PLGA (poly (lactic-co-glycolic acid)), a multi-sulfydryl cross-linking agent and a photoinitiator as raw materials, and preparing the raw materials into microspheres by adopting a microfluidic method, so as to obtain the vitamin B12 modified microspheres capable of efficiently loading various His tag recombinant proteins. The microsphere provided by the invention overcomes the problems of protein load stability and burst release of traditional microspheres, and various different His tag recombinant growth factors can be flexibly selected according to the requirements on different growth factors in treatment of complex bone defects caused by different pathogenesis.

The invention relates to the technical field of lubricants, in particular to rolling oil for aluminum material hot rolling and a preparation method of the rolling oil, the rolling oil comprises 75 wt%-80 wt% of base oil, 15 wt%-20 wt% of unsaturated fatty acid, 2 wt%-3 wt% of ethanolamine compounds, 0.5 wt%-1 wt% of antioxidants, 0.5 wt%-1 wt% of boric acid, 0 wt%-0.5 wt% of defoaming agents and the balance inevitable impurities; according to the preparation method of the rolling oil, the raw materials react in the preparation process to synthesize effective components with the functions of an emulsifier, an extreme pressure anti-wear agent and the like, so that the effect of combining multiple raw materials can be achieved without special multiple kinds of raw materials, the lubricating and annealing detergency is good, the boric acid can inhibit dissolution of ethanolamine, and the service life of the rolling oil is prolonged. The service life of the rolling oil is prolonged.

The present disclosure relates generally to methods and test kits for identifying SNPs associated with desirable meat eating quality traits in ovine animals. In particular, the present disclosure relates to a SNP-based diagnostic test and method for identifying ovine animals with desirable fat melting point (FMP), intramuscular fat (IMF) and omega-3 long chain polyunsaturated fatty acids (n-3 LC PUFAs) which are characteristic of Australian White sheep or Lamb (e.g., Tattykeel Australian White Lamb), and the use of those tests and methods in animal breeding programs.

The present invention discloses a preparation method of a bio-based cyclic ester monomer and its corresponding bio-based polyester, comprising the following steps: esterifying a bio-based unsaturated fatty acid with a diol to obtain a corresponding unsaturated diester; preparing the bio-based unsaturated cyclic ester monomer and the saturated cyclic ester monomer from the bio-based unsaturated diester by combining the ring-closing depolymerization method and the catalytic hydrogenation method based on olefin metathesis. Specifically: preparing a bio-based unsaturated polyester precursor through a polymerization reaction based on olefin metathesis, and then preparing the bio-based unsaturated cyclic ester monomer by the ring-closing depolymerization method; subjecting the bio-based unsaturated polyester precursor to catalytic hydrogenation to prepare a bio-based saturated polyester precursor, and then preparing the bio-based saturated cyclic ester monomer by the ring-closing depolymerization method; the bio-based unsaturated cyclic ester monomer can be obtained as the bio-based saturated cyclic ester monomer through catalytic hydrogenation. The bio-based unsaturated cyclic ester monomer and the bio-based saturated cyclic ester monomer synthesized by the present invention can be polymerized to synthesize a bio-based polyester with good regularity, which is an environmentally friendly polymer material.

The invention discloses a 3D printing residue soil baking-free brick and a preparation method thereof. The 3D printing residue soil baking-free brick is prepared from engineering residue soil, cement clinker, fly ash, slag, unsaturated fatty acid salt, silane coupling agent surface modified calcium carbonate whiskers, an initiator, a polymerization accelerator, strong alkali and a water reducing agent. The solid wastes such as the engineering residue soil are used as main components, and the mechanical property and the durability of the baking-free brick are remarkably improved by utilizing in-situ polymerization and whisker cooperative regulation and control. The preparation method is simple, high in printing adaptability, low in cost and suitable for industrial application.

The application discloses application of 5,8,11-eicosatrienoic acid in prevention and treatment of plant fungal diseases and belongs to the field of pesticide chemistry. The 5,8,11-eicosatrienoic acid mainly prevents and treats diseases caused by the oomycete class capsicum phytophthora, the compound is a long-chain unsaturated fatty acid, has an antifungal disease effect and can be used as a fungicide to prevent and treat plant diseases. The compound can effectively prevent pathogenic bacteria from invading plants by inhibiting mycelium growth, enhancing cell membrane permeability and interfering with the spore sac release process, and is further used for preventing and treating huge plant fungal diseases. Biological tests show that the compound has a significant concentration-dependent inhibitory effect on the mycelium growth of the capsicum phytophthora, and the half effective inhibitory concentration (EC50) is 60.2 µg / mL. At a concentration of 200 µg / mL, the inhibition rate is more than 83%, the 5,8,11-eicosatrienoic acid can effectively inhibit the release of the capsicum phytophthora spore sac, and the EC50 is 156.3 µg / mL. At a concentration of 200 µg / mL, the inhibition rate is morethan 77%.

The invention relates to the technical field of nano materials and biomedical engineering, and discloses a dye-sensitized rare earth up-conversion luminescent nano material as well as a preparation method and application thereof. The dye-sensitized rare earth up-conversion luminescent nano-material comprises a rare earth doped up-conversion nano-particle core, an unsaturated fatty acid salt self-assembled shell layer and a near-infrared dye modified on the surface of the rare earth doped up-conversion nano-particle. The unsaturated fatty acid salt coating layer endows the material with excellent water dispersibility through a hydrophilic group; a hydrophobic chain segment and an unsaturated double bond can effectively block water and oxygen permeation and quench singlet oxygen, so that the photobleaching half-life period of the material is increased by 86.7 times or more compared with that of a conventional coating material, and the light stability is excellent; the material successfully realizes efficient up-conversion luminescence under excitation of a low-power near-infrared light emitting diode (NIR LED, the power density of which can be as low as 100mW / cm < 2 >), and thoroughly gets rid of dependence on a high-cost and high-risk laser.

Provided is a chocolate-like food which has excellent workability in a normal temperature range and does not bleed out. According to the present invention, it is found that a chocolate-like food product which has excellent workability in a normal temperature range and does not bleed out can be provided by satisfying all of the following conditions (a) to (e): (a) the total amount of saturated fatty acids having 12 and 14 carbon atoms in the constituent fatty acids in the oil content is 20-48% by mass, and (b) the total amount of saturated fatty acids having 12 and 14 carbon atoms in the constituent fatty acids in the oil content is 20-48% by mass; (b) the total amount of unsaturated fatty acids having 18 carbon atoms in the constituent fatty acids in the oil content is 37-59% by mass, (c) the moisture content is less than 3% by mass, (d) the oil content is 35-70% by mass, and (e) 0.5-2% by mass of a glycerin fatty acid ester containing 40% by mass or more of behenic acid. Also provided are: a food or drink in which the chocolate-like food is combined; and a method for improving the storage suitability and work suitability of the chocolate-like food.

The invention discloses a self-emulsifying nervonic acid eye drop, which is prepared from the following raw material components in percentage by mass: 1 to 10 weight percent of nervonic acid, 30 to 60 weight percent of oil phase, 20 to 40 weight percent of surfactant and 10 to 20 weight percent of co-emulsifier, the oil phase is at least one of sunflower seed oil, squalane, olive oil and castor oil. According to the invention, the oil phase rich in unsaturated fatty acid is adopted, so that the eye cream has good solubility to nervonic acid, is mild and low-sensitive, can soften the cuticle of eyes and reduce the permeation resistance of nervonic acid, and is suitable for sensitive periocular skin. The prepared self-emulsifying nervonic acid eye drops overcome the defect that nervonic acid is almost insoluble in water, and compared with water-based eye drops, the self-emulsifying nervonic acid eye drops have the advantage that the drug loading capacity and the stability are obviously improved.

The present invention provides a fat mass simulated structure comprising: a granular material having a push-in strength at 10°C of 2×103 N / m2 or more; and an ionic cross-linked polymer which is cross-linked by ions. The granular material has a volume average grain size of 50 μm to 500 μm; the granular material contains vegetable oil at 30 mass% or more with respect to the entire granular material, the vegetable oil having an unsaturated fatty acid ratio of 50 mass% or more and has a melting point of 0°C or less; and the granular material is in liquid form at 35°C and in solid form at 10°C. The present invention also provides: a method for producing a fat mass simulation structure; and a meat substitute.

The present disclosure relates to production of cis-3-hexenol from unsaturated fatty acid, such as alpha linoleic acid and linoleic acid. The process of the present disclosure involves combinatorial and sequential action of recombinant enzymes, such as LOX, HPL and ADH for the production of cis-3-hexenol.

The invention discloses a post-harvest castanea mollissima calcification prevention and control method based on inhibition of lipoxygenase activity by salicylic acid, and belongs to the technical field of agricultural product preservation. Research finds that salicylic acid can inhibit lipoxygenase-mediated fatty acid oxidation, change lipid metabolism of chestnut kernels, increase the content of unsaturated fatty acid in the chestnut kernels, reduce lipid peroxidation and maintain cell integrity, so that calcification after chestnut harvesting is delayed or inhibited. The water content of the Chinese chestnuts can be kept, and a new target and strategy are provided for research and development of a preservative for inhibiting calcification of the Chinese chestnuts after harvesting and improvement of the storage quality and shelf life of the Chinese chestnuts and other horticultural crops after harvesting.

The invention relates to a method for fermenting fermented soya beans by rosa roxburghii tratt fruits, soybeans and black beans. The fermentation comprises the following steps: pretreating raw materials, fermenting to prepare fermented soya bean koji, post-fermenting and drying. 3-5 wt% of roxburgh rose juice and 3-5 wt% of roxburgh rose pulp residues are added in the post-fermentation step, the roxburgh rose pulp residues can enrich the taste of the fermented soya bean finished product, roxburgh roses contain rich vitamin C and polyphenol substances and are natural antioxidants, and bad flavor generated by oxidative rancidity of fatty acid in the post-fermentation and storage process of the fermented soya beans is prevented; meanwhile, the soybeans are rich in unsaturated fatty acid, the healthy lipid components are protected from being damaged through the antioxidant effect of the roxburgh rose, the retained unsaturated fatty acid can serve as a precursor to help saccharomycetes to generate more ester aroma substances, the antioxidant effect of the roxburgh rose and microorganisms in the fermented soya beans achieve the synergistic effect, and the effect of improving the immunity of the fermented soya beans is achieved. The flavor is indirectly enhanced, the original taste is not influenced, and the stability and the nutritional value of the fermented soya beans are also improved.