792 results about "Unsaturated fatty acid" patented technology

The invention discloses a schizochytrium limacinum genetic engineering strain capable of remodeling an FAS (Fibroblast Activated Sequence) pathway as well as a construction method and application thereof. The schizochytrium limacinum gene engineering strain is obtained by heterologous expression of a C16 elongase gene E16, a C18 elongase gene E18, a delta 9 desaturase gene D9, a delta 5 desaturase gene D5, a delta 6 desaturase gene D6 and a delta 15 desaturase gene D15 in a schizochytrium limacinum wild type. The recombinant schizochytrium limacinum described herein is capable of producing EPA comprising 2.08% by total fatty acids while also producing DHA comprising at least more than 41% by total fatty acids. In addition, the invention discloses a method for producing unsaturated fatty acid through a double-path channel of PKS and FAS, which is beneficial to promotion and application of a technology for producing EPA and DHA by schizochytrium limacinum.

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 belongs to the technical field of microorganisms, and particularly relates to schizochytrium limacinum and application thereof as well as a method and a product for producing omega-3 polyunsaturated fatty acid. The schizochytrium sp. SKA-2 is preserved in the China Center for Type Culture Collection on October 23, 2024, and the preservation number of the schizochytrium sp. SKA-2 is CCTCC (China Center for Type Culture Collection) NO: M 20242314. The Schizochytrium sp. SKA-2 can grow well under the low-salt condition, and when the Schizochytrium sp. SKA-2 is used for fermentation to obtain the omega-3 polyunsaturated fatty acid, the production speed is high, the fermentation time is short, and the content of the omega-3 polyunsaturated fatty acid is high.

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 discloses a lamb feeding method for increasing polyunsaturated fatty acid in meat. According to the invention, lactobacillus reuteri is supplemented into the basic feed for sheep, so that polyunsaturated fatty acids in mutton can be increased, the tenderness of the mutton can be improved, and the proportion and area ratio of I-type muscle fibers in muscles can be increased. Meanwhile, the technical scheme also can regulate the rumen microbial community structure of the sheep, promote the degradation of rumen carbohydrates and the generation of muscle aromatic compounds, and regulate the metabolism of sheep muscle proteins. The proper addition amount of lactobacillus reuteri in the basic feed for sheep is determined, the obtained optimized feed can improve polyunsaturated fatty acid and tenderness of mutton, the slaughter performance of sheep is enhanced, and the economic income of pasturing households and the economic benefit level of enterprises can be improved.

The utility model relates to the technical field of enzymolysis tanks, in particular to a nitrogen-filled enzymolysis tank for seaweed extracts, comprising a tank body, the top of the tank body being detachably connected with a cover body, the inner bottom and top of the tank body being respectively fixedly connected with a lower air guide ring and an upper air guide ring, the outer side of the tank body being provided with a main manifold, nitrogen being sprayed out through a plurality of air guide holes, so that the nitrogen is respectively introduced from the bottom and the top of the tank body, the nitrogen is fully mixed with an enzymolysis solution through the plurality of air guide holes, the mixing effect is improved, and when a liquid guide pump is started at the same time, the enzymolysis solution at the bottom of the tank body enters the interior of a diverter plate through a liquid guide pipe, and then is sprayed out through a plurality of evenly distributed nozzles, so that the enzymolysis solution and the nitrogen above the tank body are further contacted and mixed, the mixing effect is good, so that the entire enzymolysis system starts temperature-controlled enzymolysis under the condition of being full of nitrogen protection, the unsaturated fatty acids in the enzymolysis solution are fully protected, the oxidation reaction is reduced, and the nutritional value of the active ingredients is retained.

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 relates to the technical field of preparation methods of nutritional products, in particular to a preparation method of ganoderma lucidum spore oil with a liver regulating effect. Comprising the steps of preparing ganoderma lucidum spore powder, extracting ganoderma lucidum spore oil and enriching the ganoderma lucidum spore oil. Ganoderma lucidum blocks are treated through an ultrasonic extraction technology, ganoderma lucidum spore powder is prepared through a spray drying method, n-hexyl alcohol is used for soaking extraction, high-purity ganoderma lucidum spore oil is obtained through vacuum concentration and molecular distillation, and residual solvent is removed through film evaporation. Active ingredients such as triterpenoids and unsaturated fatty acid are further enriched by using supercritical CO2 extraction; the extraction efficiency and the purity of active ingredients of the ganoderma lucidum spore oil are remarkably improved, the obtained ganoderma lucidum spore oil has remarkable effects in the aspects of reducing liver toxicity indexes (ALT and AST) and enhancing antioxidant enzyme activity (SOD and GSH-Px), the operation controllability is high, the ganoderma lucidum spore oil is suitable for large-scale industrial application, and technical support is provided for research and development of liver protection drugs and functional food.

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.

An oleogel and a preparation method therefor and a use thereof. The oleogel comprises 60-90 wt % of liquid oil, 6-35 wt % of a structuring agent, and 4-15 wt % of water. The liquid oil comprises an unsaturated fatty acid, and the structuring agent is a protein denatured particle. The oleogel is an antioxidant edible oil composition rich in unsaturated fatty acids, an additional stabilizer does not need to be added, the use of a thickener, an emulsifier, and an organic reagent is avoided, and the oleogel has oxidation resistance and is beneficial to long-term storage of products. The oleogel can be used as an oral pharmaceutical preparation to achieve various therapeutic utility.

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%.