115 results about "Linoleic acid" patented technology

The invention discloses an application and a construction method of a vascular endothelial injury reagent and a zebra fish model prepared from reverse oleic acid. Relates to the technical field of animal models. The invention provides specific application, a vascular endothelial injury zebra fish model construction method and a drug screening method. The zebra fish vascular endothelial injury can be stably induced, and a brand new experimental model and technical means are provided for mechanism research and drug screening of vascular endothelial injury related diseases. The method has the advantages of being short in test period, low in cost, simple and convenient in method and easy to operate, and real-time visual observation of pathological changes of the vascular endothelium can be achieved.

This invention discloses a bio-based flame-retardant thermally expanding powder coating and its preparation method, relating to the field of coatings. It comprises the following components: bio-based epoxy resin, phenolic epoxy curing agent, ammonium polyphosphate, nano-titanium dioxide, zinc borate, expanded graphene, 8-12 parts of imidazole, benzoin, and a leveling agent. The bio-based epoxy resin is prepared by ring-opening copolymerization of cashew phenol glycidyl ether and linoleic acid prepolymer, followed by epoxy end-capping, with an epoxy equivalent of 900-1200 g / eq; the phenolic epoxy curing agent has an epoxy equivalent of 200-250 g / eq; and the expanded graphene has an initial expansion ratio of 200-300 times. The preparation method employs a two-step, staged mixing process. This invention, while maintaining zero VOC in powder coatings and the same film thickness, achieves for the first time the outstanding performance of 6H hardness, UL94V-0 flame retardancy, and 120 times expansion ratio through the systematic synergy of high epoxy equivalent bio-based resin, four-component complete flame retardant system, specific EG:APP ratio, and two-step process.

The invention discloses a method for preparing the ginsenoside preparation by biological engineering technology, wherein the ginsenoside preparation comprises at least one of the saponin-enriched preparation and the saponin-enriched syrup; the compound bio-enzyme preparation prepared by the combined bacteria preparation of yeast and lactic acid bacteria provided by the invention is rich in amino acid residues, amides, coenzymes and active groups such as lactic acid and linoleic acid; and the ginsenoside preparations containing ginsenosides can be prepared by adding monosaccharides or polysaccharides to the compound bio-enzyme preparations, providing new directions and ideas for obtaining ginsenosides and their products.

The present invention relates to a fat composition comprising at least 30 wt% of stearic acid (C18:0) and at least 45 wt% of saturated fatty acids (SAFA); and wherein the fat composition comprises 1.0 to 8.0 wt% of SSS triglycerides and at most 10.0 wt% of UUU triglycerides, and the weight ratio of S2U triglycerides to SSS triglycerides of the fat composition is 6.0 to 20.0 and the weight ratio of S2O triglycerides to S2L triglycerides is at most 30.0; wherein S is a saturated fatty acid, U is an unsaturated fatty acid, O is oleic acid and L is linoleic acid. The present invention further relates to a fat blend comprising the fat composition as hard stock, wherein the fat blend is further used in a water-in-oil emulsion product, such as a margarine or a spread.

The invention provides an application of ginseng oil body in preparation of a medicine for preventing and / or treating colitis, and belongs to the technical field of ginseng seed oil. The detection shows that the oil core structure of the ginseng oil body mainly consists of oleic acid and linoleic acid, and is different from the triglyceride core of the oil body obtained from the existing oil crops. Through lipidomics detection and analysis, the phospholipid monomolecular layer has 335 phospholipids (positive ion mode) and 269 phospholipids (negative ion mode). Through proteomics detection and analysis, 24 kinds of Panax proteins are identified. The condition that the oil core of the ginseng oil body contains protopanaxatriol (PPT) is identified through high performance liquid chromatography-high resolution mass spectrometry. In-vitro detection shows that the ginseng oil body has anti-inflammatory and anti-oxidation effects.

This invention discloses a combined collector for low-temperature iron ore flotation desilication and its application, belonging to the field of iron ore flotation technology. The combined collector of this invention is an anionic combined collector, composed of three components: component 1 is sodium oleate, component 2 is sodium linoleate, and component 3 is sodium decanoate. Components 1, 2, and 3 are each prepared into 5% (w / w) aqueous solutions. The ratio of the aqueous solutions of components 1, 2, and 3 is adjusted and mixed evenly to obtain the combined collector for low-temperature iron ore flotation desilication. This combined collector is used for reverse flotation desilication of difficult-to-process iron ores under low-temperature conditions (10℃-15℃). This combined collector overcomes the shortcomings of traditional anionic collectors, which have poor collection ability under low-temperature conditions. It reduces the pulp temperature required for reverse flotation desilication of iron ore (no heating required), effectively reducing the energy consumption of the concentrator. Furthermore, the components of the combined collector are widely available, commercially accessible, and low in cost, which is conducive to industrial-scale promotion and application.

The present application relates to a tricholoma matsutake endophytic fungus fermentation oil and a preparation method and application thereof. The preparation method comprises the following steps: (1) inoculating tricholoma matsutake endophytic fungus seed liquid into a fermentation medium to carry out fermentation culture, and obtaining a primary fermentation liquid; (2) mixing the primary fermentation liquid with vegetable oil and a linoleic acid-based deep eutectic solvent to continue fermentation culture, and centrifuging to collect an upper oil phase, thereby obtaining the tricholoma matsutake endophytic fungus fermentation oil. In the present application, the linoleic acid in the vegetable oil and the linoleic acid-based deep eutectic solvent is used as a precursor of tricholoma matsutake alcohol, so that the content of tricholoma matsutake alcohol in the fermentation product is increased. Meanwhile, the deep eutectic solvent is added in the fermentation process to regulate metabolism, and the fermentation product obtained by the above method has more excellent antioxidant level and soothing and repairing capacity.

The application discloses application of a composition in preparation of sleep-improving preparations, and the composition comprises tert-butyl hydroquinone and linoleic acid. It is found by the application that neither the tert-butyl hydroquinone nor the linoleic acid can improve sleep alone, but the combination of the tert-butyl hydroquinone and the linoleic acid can improve sleep, increase total sleep time and single sleep time, and reduce the number of night awakenings and the number of night spontaneous activities. The composition of the application is safe and easy to obtain, has a good sleep-improving effect, and has a wide application prospect.

The present invention provides a dispersant, a suspension containing the same, a water-based drilling fluid and a water-based fracturing fluid. The dispersant comprises diethanolamide of linoleic acid, sodium dodecyl sulfate, isomeric tridecanol polyoxyethylene ether, triethylene glycol butyl ether, a tackifier and a solvent.

This invention discloses a high- and low-temperature resistant and anti-aging building wire and its preparation method, relating to the field of wire and cable technology. The high- and low-temperature resistant and anti-aging building wire of this invention comprises: a wire core; and a modified polyvinyl chloride (PVC) insulation layer covering the wire core; wherein the modified PVC insulation layer comprises at least the following raw materials in parts by weight: 80-100 parts of PVC; 10-20 parts of hydrogenated nitrile rubber; 5-15 parts of PVC-g-polyacrylic acid graft copolymer; 10-25 parts of vinyltriethoxysilane coupling agent modified boron nitride / magnesium hydroxide composite flame retardant; 3-8 parts of linoleic acid modified polyhedral oligomeric silsesquioxane; 4-8 parts of heat stabilizer; 3-6 parts of plasticizer; 1.5-3.5 parts of lubricant; 0.5-2 parts of antioxidant; and 0.3-1.5 parts of ultraviolet absorber. The building wire prepared by this invention has wide temperature range adaptability, aging resistance, and flame-retardant and smoke-suppressing properties.

The invention belongs to the technical field of cosmetics, and discloses a vitamin E emulsion and a preparation method thereof, the vitamin E emulsion comprises the following components by mass: 0.5-2 wt% of vitamin E and derivatives thereof, 10-20 wt% of a stabilizer, 10-20 wt% of a humectant, 3-6 wt% of an emulsifier, 0.3-1 wt% of a thickener, 0.5-1 wt% of a preservative, and the balance of water; wherein the vitamin E and the derivative thereof comprise at least one of vitamin E, tocopheryl acetate, tocopheryl linoleate, tocopheryl nicotinate and tocopheryl phosphate; the stabilizer comprises at least one of petrolatum, polydimethylsiloxane, hydrogenated polyisobutene, caprylic / capric triglyceride and butyrospermum parkii butter. Through the components, the antioxidant activity of vitamin E in the storage and skin retention process of the vitamin E milk can be effectively maintained.

The invention belongs to the technical field of Chinese wolfberry processing, and particularly relates to fresh Chinese wolfberry primary pulp rich in high-value active ingredients and a production method of the fresh Chinese wolfberry primary pulp. The method is characterized in that grinding-pulsed electric field circulation treatment is carried out, so that the retention rate of heat-sensitive active ingredients such as lycium barbarum polysaccharide, carotenoid and vitamins is increased, the flavone content is 0.41-0.45 g / 100 g, the lycium barbarum polysaccharide content is 0.54-0.57 g / 100 g, the beta-carotene content is 0.55-0.60 mg / g, the zeaxanthine content is 1.28-1.35 mg / g, the betaine content is 0.340-0.366 g / 100 g, and the linoleic acid content is 0.052-0.057 g / 100 g. The content of all nutrient elements in the Chinese wolfberry primary pulp in the prior art is far higher, and the nutrition and the efficacy value of the fresh Chinese wolfberry fruits are maximized.

The present application relates to the technical field of feeding of crucian carp, and discloses a compound functional feed for repairing carbonate alkali damage of crucian carp, which is composed of alpha-ketoglutaric acid, linoleic acid, laurylene and basic feed, wherein the weight ratio of the alpha-ketoglutaric acid accounts for 1.5% of the total weight of the compound functional feed for repairing carbonate alkali damage of crucian carp, and the weight ratio of the linoleic acid accounts for 0.7% of the total weight of the compound functional feed for repairing carbonate alkali damage of crucian carp. The compound functional feed for repairing carbonate alkali damage of crucian carp can significantly enhance the repair capacity of the tissue cells of the crucian carp, improve the disease resistance of the crucian carp, reduce the risk of diseases and promote the energy metabolism process of the crucian carp, so as to ensure the efficient use of energy and maintain the normal homeostasis of the body.

This application discloses a ductility enhancer, modified No. 50 asphalt, and a preparation method thereof. The ductility enhancer comprises, by weight, 50 to 70 parts vegetable oil, 20 to 30 parts linoleic acid, 5 to 15 parts palmitic acid, and 0.5 to 2 parts phenolic anti-aging agent. This application can significantly improve the ductility value of No. 50 asphalt at low temperatures without adversely affecting the softening point, penetration, or other high-temperature indicators of No. 50 asphalt. Furthermore, the No. 50 asphalt of this application exhibits good high-temperature storage stability. The ductility enhancer described in this application is easy to prepare and use in production. The formulation components of the additive can be mixed evenly by simple mechanical stirring, and it is easy to disperse evenly into the asphalt without the need for expensive modification equipment and a long development time.

The invention relates to tricholoma matsutake endophytic fungus fermented oil as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) inoculating a tricholoma matsutake endophytic fungus seed solution into a fermentation culture medium for fermentation culture to obtain a primary fermentation solution; and (2) mixing the primary fermentation liquor with vegetable oil and a linoleic acid-based eutectic solvent, continuing fermentation culture, and centrifugally collecting an upper-layer oil phase to obtain the tricholoma matsutake endophytic fungus fermentation oil. The linoleic acid in the vegetable oil and the linoleic acid-based eutectic solvent is used as a precursor substance of the tricholoma matsutake alcohol, so that the content of the tricholoma matsutake alcohol in a fermentation product is increased. Meanwhile, the eutectic solvent is added in the fermentation process, metabolism is regulated and controlled by utilizing the eutectic solvent, and in the fermentation product obtained by adopting the method, the fermentation oil has more excellent antioxidant level and relieving and repairing capability.

This invention relates to the field of insect resource utilization and agricultural waste treatment technology, specifically to a high-linoleic acid black soldier fly oil, black soldier fly larvae, and their applications. The method for raising black soldier fly larvae includes the following steps: black soldier fly eggs are hatched and placed in a hatching substrate for rearing; after obtaining larvae, they are inoculated into a culture feed and then harvested to obtain black soldier fly larvae; high-linoleic acid black soldier fly oil is further extracted. This invention provides a novel insect-based source for obtaining linoleic acid by precisely matching the feed substrate and harvesting time, without relying on traditional plant oil crops. During the high-linoleic acid oil harvesting window, the crude protein content of black soldier fly larvae remains at a relatively high level of 58%~65%. The wheat bran and cassava residue used in this invention are inexpensive and widely available agricultural processing by-products, resulting in low production costs and achieving resource utilization of waste through bioconversion.

This invention discloses a microwave-induced fruit-aroma-enhanced fermented chili powder and its preparation method, belonging to the field of fermented condiment technology. The preparation of the fruit-aroma-enhanced fermented chili powder of this invention includes: washing and mincing fresh millet chilies, adding chopped onions, edible salt, sugar, and white wine, mixing well, and fermenting for 10-20 days; then spreading the fermented chili sauce evenly and placing it in a microwave drying device, setting the microwave output power to 1-6 kW, and microwave drying at 90-110℃ for 20-40 minutes; the dried product is then pulverized using a grinder and sieved to obtain the final product. Compared with existing technologies, this method significantly increases the content of key fruit aroma substances such as ethyl linoleate and linalool in the obtained product, exhibiting a prominent and lasting fruit aroma flavor; while achieving product pulverization, it significantly enhances the fruit aroma characteristics of the product, providing an effective solution for developing high-quality, flavor-harmonious fermented chili products.

This invention relates to the field of skincare essential oil technology, and more particularly to a soothing and repairing essential oil containing peony seed oil and chrysanthemum essential oil, and its preparation method. It is made from the following raw materials in parts by weight: 50-90 parts olive oil; 0.3-25 parts peony seed oil; 0.1-8 parts chrysanthemum essential oil; and 0.1-2 parts vitamin E. Chrysanthemum essential oil has a high content of camphor and borneol, resulting in stronger transdermal penetration and antibacterial capabilities, but it also causes irritation. This invention reduces the irritation rate by incorporating peony seed oil. Peony seed oil is rich in linoleic acid, whose molecular structure is highly similar to the lipids of the skin barrier. The terpenoid components in chrysanthemum essential oil can be encapsulated by linoleic acid micelles, avoiding the burning sensation caused by the instantaneous contact of high-concentration chrysanthemum essential oil with the skin, and making it easier to penetrate the stratum corneum.

The invention relates to a rust removal lubricant for metal and a preparation method of the rust removal lubricant, and belongs to the technical field of metal rust removal and corrosion prevention. The rust removal lubricant for the metal comprises a linoleic acid modified resin acid derivative, a quaternary ammonium salt modified montmorillonite-vegetable oil compound, a quaternized lignin derivative, d-limonene, epoxidized soybean oil, maleic anhydride modified tung oil, benzotriazole, a nonionic surfactant, a pH buffer system and deionized water. Through the molecular design and synergistic effect of core components such as the linoleic acid modified resin acid derivative, the quaternary ammonium salt modified montmorillonite-vegetable oil compound, the quaternized lignin derivative and the d-limonene, excellent permeability, rapid rust removal capacity and long-acting lubricating and anti-rust performance are achieved; the metal rust remover can be widely applied to rust removal, lubrication and protection of metal products such as mechanical equipment, automobile parts and hardware tools, the service life of the metal parts is prolonged, meanwhile, bio-based raw materials are adopted, the VOC content is low, and the environment-friendly requirement is met.

The application discloses an oil and fat composition for resisting porcine enterovirus infection and application thereof. The oil and fat composition comprises at least two of glyceryl monopentanoate, glyceryl monolinoleate and glyceryl monomyristate. The oil and fat composition can further comprise anhydrous ethanol, propylene glycol, dimethyl sulfoxide, edible oil, Tween 80, lactose, mannitol, soluble starch, water and other auxiliary materials for preparing oil and fat composition preparations. The oil and fat composition can inhibit enterovirus through multiple channels and multiple levels, and improve the antiviral effect. Adding the oil and fat composition in the feed of pigs can not only improve the antiviral ability, but also reduce the inflammatory reaction caused by pathogenic infection through the anti-inflammatory and immune regulation effects, effectively prevent and treat the infection of porcine enterovirus diarrhea, and thus reduce the incidence of porcine enterovirus diarrhea and the mortality of pigs with the disease. The oil and fat composition can be used for preparing a medicine or a feed additive for treating and preventing porcine enterovirus diarrhea.

This invention relates to a monk fruit residue extract containing multiple active ingredients, comprising the following components: 10ppm-20wt% squalene, 1ppm-10wt% monk fruit glycosides, 10ppm-20wt% linoleic acid, 10ppm-20wt% sitosterol, and excipients. This invention fully utilizes monk fruit residue, resulting in an extract rich in various economically valuable active ingredients, with high yields of each. The process is continuous, the equipment is simple, the operation is highly operable, and the production cost is low, making it suitable for industrial production and achieving comprehensive utilization of monk fruit residue resources.

The invention belongs to the technical field of compound preparation, and particularly discloses a pomegranate seed oil supercritical extraction method and application in prevention and treatment of non-alcoholic fatty liver disease, and the method comprises the following steps: S1, crushing dried pomegranate seed medicinal materials, screening 18-60-mesh parts, and carrying out CO2 supercritical extraction by adopting four-factor three-level experimental design to obtain the pomegranate seed oil; the corresponding pomegranate seed oil is prepared through combined extraction under different process conditions. S2, performing methyl esterification treatment on the pomegranate seed oil, and determining the contents of three main components, namely punicic acid, linoleic acid and oleic acid, of the pomegranate seed oil by adopting GC-FID (Gas Chromatography-Flame Ionization Detector); and S3, calculating the total content and the oil yield of the three main components, and performing multi-objective optimization on supercritical extraction process parameters through an entropy weight method by taking the total content and the oil yield as comprehensive indexes.

The invention provides sarcandra glabra seed oil and a quality-improving and efficiency-improving preparation method thereof.The preparation method comprises the steps that sarcandra glabra fruits are subjected to after-ripening treatment, and after-ripening fruits are obtained; after the after-ripening fruits are cleaned, peeled and disinfected, far infrared drying is carried out, and dried seeds are obtained; the preparation method comprises the following steps: squeezing dried seeds, primarily filtering, winterizing, and centrifugally filtering to obtain the sarcandra glabra seed oil with improved quality and efficiency. The sarcandra glabra seed oil can be used as a raw material for eating, health care, medicine and linoleic acid extraction. Through sand storage treatment, the sarcandra glabra fruits can be helped to complete after-ripening, so that the oil yield is remarkably increased, and the oil acid value is reduced. Sarcandra glabra seeds are treated in combination with far infrared rays and dried, and lipase, lipoxygenase and the like are passivated through rapid heating, so that grease is stabilized, and the acid value and the peroxide value are prevented from being increased; far infrared rays can heat water from the inside of molecules, internal pressure generated by vaporization of the water can effectively destroy cell structures, and the oil extraction rate is increased.

The invention relates to the technical field of plant growth regulation, and discloses a growth regulation composition for increasing peanut yield and improving peanut quality, the dosage form of the composition is a soluble concentrate, the effective components of the composition are aminobutyric acid and choline chloride, the weight ratio of the aminobutyric acid to the choline chloride is 5: 6, the composition is scientific and reasonable in matching, and the composition is suitable for large-scale production. The pesticide composition can obviously regulate the growth of peanuts, increase the pod number of plants, improve the hundred-kernel weight of peanuts, has obvious yield-increasing effect, can also improve the quality of peanuts and increase the protein content, fat content, oleic acid content and linoleic acid content of peanuts, has comprehensive effect, gives consideration to both pod increase and hundred-kernel weight increase, stable yield increase and quality improvement compared with a control agent, is safe to peanuts, and has wide application prospects. And the economic benefit is effectively improved.

A cannabidiol composite reagent for resisting muscle aging belongs to the technical field of biomedicine, and is characterized in that 0.6 g of cannabidiol is firstly weighed and dissolved in 4 mL of edible linoleic acid, and the cannabidiol composite reagent is prepared by uniformly mixing on a vortex oscillator; research finds that the cannabidiol composite reagent can reduce muscle fiber fracture, inflammation infiltration and cell deformation and swelling during aging and increase the muscle fiber area, and experiments prove that the cannabidiol composite reagent can resist oxidative damage in the muscle aging process and relieve muscle tissue aging.

Oil-in-water emulsion and its use in cosmetics The present invention relates to a composition in the form of an oil-in-water emulsion, particularly for cosmetic use, especially for the care of keratinous materials, comprising: - at least one oil phase, - at least one emulsifier comprising at least one phospholipid, - at least one hydrophilic gelling agent, - at least one glyceryl ester, and - at least one linoleic acid.

This invention provides an oleic acid hydratase OhyA1 mutant, its preparation method, and its applications, belonging to the fields of biocatalysis and biochemical engineering. The amino acid sequence of the oleic acid hydratase OhyA1 mutant provided by this invention is shown in SEQ ID No. 1. Compared with the parent enzyme, the OhyA1 mutant oleic acid hydratase of this invention exhibits a restructured active site due to the deletion of phenylalanine side chain benzene ring groups at two sites, leading to an increased substrate binding pocket volume and significantly improved catalytic efficiency for long-chain fatty acid substrates containing multiple double bonds (especially linoleic acid). The OhyA1 mutant oleic acid hydratase provided by this invention exhibits high specificity for oleic acid, catalyzing only the cis-9 double bond hydration reaction of oleic acid. The product is a single 10-hydroxy fatty acid, avoiding isomer formation. The product purity can reach over 95%, and the oleic acid conversion rate can reach over 85%, significantly superior to existing microbial transformation systems.

The invention relates to a preparation method of high-drop-resistance modified polystyrene disposable tableware, and belongs to the technical field of disposable tableware preparation. The preparation method comprises the following steps: mixing nano silicon dioxide and montmorillonite, and adding the mixture into a high-speed mixer for mixing to prepare a composite modifier; the preparation method comprises the following steps: adding polystyrene resin, a composite modifier, a flexibilizer, an antioxidant and a lubricant into a mixer, and mixing to obtain a premix; and adding the premix into a twin-screw extruder, carrying out melt blending, extruding, water-cooling, pelletizing, drying and injection molding to obtain the high-drop-resistance modified polystyrene disposable tableware. The lubricant is prepared from food-grade linoleic acid monoglyceride, food-grade glutathione, food-grade propylene glycol, baking soda and sulfydryl-beta-cyclodextrin; the prepared disposable tableware has the advantages that the anti-falling performance is obviously improved, the heat deformation temperature is high, and the hot food containing requirement can be met; the problems of agglomeration and the like are not easy to occur in the processing process, and the comprehensive performance is excellent.

The invention provides a sarcandra glabra seed oil quality and efficiency improving method based on combination of wet-method and dry-method after-ripening treatment, which comprises the following steps: carrying out heat preservation and moisture preservation stack retting after-ripening treatment on sarcandra glabra fruits for 20-30 days to obtain preliminary after-ripening fruits; after the preliminary after-ripening fruits are peeled, cleaned and disinfected, drying is conducted through a low-temperature air heat pump, dried seeds are obtained, the dried seeds are stored in a shady and dry place for 2 months, and the after-ripening treatment process is completed; and after the after-ripening sarcandra glabra seeds are squeezed, primarily filtering the primarily squeezed oil, winterizing for a certain time, and centrifugally filtering to obtain the sarcandra glabra seed oil capable of improving quality and efficiency. The sarcandra glabra seed oil can be used for eating, health care, medicine and the like, and can also be used as a raw material for extracting linoleic acid. According to the method, stack retting wet after-ripening treatment and dry after-ripening treatment of preservation after heat pump drying treatment are combined for use, so that the after-ripening process of the sarcandra glabra seeds is perfect, the oil yield and linoleic acid content of the sarcandra glabra seeds are effectively improved, and the oil acid content is low.

This disclosure relates to a water-soluble composition and its use. The water-soluble composition of this disclosure includes a pharmaceutically active ingredient, a cationic lipid, and a penetration enhancer, wherein the solubility of the pharmaceutically active ingredient in water is less than or equal to 1 mg / mL, the cationic lipid includes dioleoylpropyltrimethylammonium chloride, and the penetration enhancer includes polyethylene glycol glycerol linoleate. This disclosure improves the solubility of a poorly water-soluble pharmaceutically active ingredient in water and enhances its in vivo efficacy by using the cationic lipid and the penetration enhancer in combination.