33 results about "Oxylipin" patented technology

Disclosed are novel oxylipins, referred to herein as docosanoids, that are derived from C22 polyunsaturated fatty acids, and method of making and using such oxylipins. Also disclosed is the use of docosapentaenoic acid (C22:5n-6) (DPAn-6), docosapentaenoic acid (C22:5n-3) (DPAn-3), and docosatetraenoic acid (DTAn-6: C22:4n-6) as substrates for the production of novel oxylipins, and to the oxylipins produced thereby. Also disclosed is the use of DPAn-6, DPAn-3, DTAn-6, and/or the oxylipins derived therefrom, and/or novel docosanoids derived from the structures of C22 fatty acids, in therapeutic and nutritional or cosmetic applications, and particularly as anti-inflammatory or anti-neurodegenerative compounds. The invention also relates to novel ways of producing long chain polyunsaturated acid (LCPUFA)-rich oils and compositions that contain enhanced and effective amounts of LCPUFA-derived oxylipins, and particularly, docosanoids.

Disclosed are novel oxylipins, referred to herein as docosanoids and eicosanoids, that are derived from C22 polyunsaturated fatty acids and from C20 polyunsaturated fatty acids, respectively, and methods of making and using such oxylipins. Also disclosed is the use of docosapentaenoic acid (C22:5n-6) (DPAn-6), docosapentaenoic acid (C22:5n-3) (DPAn-3), and docosatetraenoic acid (DTAn-6: C22:4n-6), docosatrienoic acid (C22:3n-3) (DTrAn-3), docosadienoic acid (C22:2n-6) (DDAn-6), eicosatrienoic acid (C20:3n-3) (ETrAn-3) eicosapentaenoic acid and arachidonic acid as substrates for the production of novel oxylipins, and to the oxylipins produced thereby. Also disclosed is the use of DPAn-6, DPAn-3, DTAn-6, and/or the oxylipins derived therefrom, and/or novel docosanoids derived from the structures of C22 fatty acids in therapeutic and nutritional or cosmetic applications, and particularly as anti-inflammatory or anti-neurodegenerative compounds. The invention also relates to novel ways of producing long chain polyunsaturated acid (LCPUF A)-rich oils and compositions that contain enhanced and effective amounts of LCPUF A-derived oxylipins, and particularly, docosanoids.

The invention relates to a method for preparing carboxylic acid by green catalytic oxidation of aliphatic primary alcohol. The method comprises the following steps of: adding aliphatic primary alcoholinto a reaction solvent, adding an N-hydroxyphthalimide-copper oxide catalyst, introducing oxygen during reaction, and carrying out reaction at 50-80DEG C under normal pressure for 6-24h to obtain carboxylic acid with high yield. Compared with the prior art, the method has the advantages that the oxidizing agent is green and environment-friendly, the catalyst is cheap and easy to prepare, easy toseparate from the product, convenient to recycle, the reaction conditions are mild and the like, therefore the method is a green oxidation method of aliphatic primary alcohol.

The invention discloses an artificial biocatalyst for converting fatty acid into beta-hydroxy fatty acid, and belongs to the field of protein engineering. A fatty acid beta-hydroxylase P450BS beta mutant disclosed by the invention is obtained by mutating the amino acid sequence of wild fatty acid hydroxylase P450BS beta at the 78th site, the 85th site, the 170th site and the 290th site. The biocatalyst constructed by the invention can oxidize a beta-site C-H group of fatty acid in a manner of high regioselectivity and enantioselectivity. The biocatalyst has high reaction activity, and takes cheap hydrogen peroxide as an oxidant to convert linear saturated fatty acid with a C11-C18 chain length and oleic acid and linoleic acid unsaturated fatty acid into corresponding (R)-beta-hydroxy fatty acid.

A detergent composition, preferably a manual dishwashing detergent composition, including one or more diol synthases capable of converting one or more unsaturated fatty acids into one or more oxylipins, and a surfactant system including one or more anionic surfactants and one or more co-surfactants selected from the group consisting of amphoteric surfactant, zwitterionic surfactant, and mixtures thereof. Method of using the detergent composition including a surfactant system and the diol synthases are also provided.

The invention discloses a composition capable of improving eyesight and a preparation method thereof. The composition capable of improving eyesight comprises semen cassiae, flos chrysanthemi, wolfberry fruit, flos lonicerae, folium mori, herba taraxaci, radix polygonati officinalis, emblic leafflower fruit, mulberry fruit, blueberry fruit powder, lutein ester, vitamin C, vitamin E, beta-carotene,sodium citrate, sucralose and potassium sorbate. The composition capable of improving eyesight has the advantages of protecting the eyes from light damage, inhibiting lipid peroxidation in the eye lenses to improve the eye blood circulation, and preventing aging and various degenerative diseases caused by aging; the composition further has a liver nourishing and protecting effect, and can replenish qi and blood, eliminate fatigue and improve the blood circulation in the body to achieve the effects of improving eyesight and dredging collaterals.

Disclosed are novel oxylipins that are derived from γ-linolenic acid (GLA; 18:3n-6) and stearidonic acid (STA or SDA; 18:4n-3), and methods of making and using such oxylipins. Also disclosed is the use of such oxylipins in therapeutic and nutritional or cosmetic applications, and particularly as anti-inflammatory or anti-neurodegenerative compounds. Also disclosed are The invention novel ways of producing long chain polyunsaturated acid (LCPUF A)-rich oils and compositions that contain enhanced and effective amounts of SDA- and/or GLA-derived oxylipins.

The present invention relates to a process for preparing two mixtures of epoxidized fatty acid esters, comprising in the order given a transesterification of an epoxidized vegetable oil, followed by a reduction of the volatile saturated non-epoxidized fraction by short path distillation of the transesterified epoxidized vegetable oil, followed by a selection on the one hand of the non-vaporized fraction (residue) of the previous process step as the first mixture of epoxidized fatty acid esters and a selection on the other hand of the vaporized fraction (distillate) as the second mixture of epoxidized fatty acid esters. The first mixture is in particular suitable as plasticizer in halogenated polymers, the second mixture being particularly suitable as plasticizer in non-halogenated polymers.

The invention discloses a method for producing biodiesel by using red tide algae and algicidal bacteria, and relates to biodiesel. The method comprises the following steps: inoculating an f/2 culture medium with red tide algae cells, and standing and culturing in an illumination culture room; culturing algicidal bacteria Y42 in a liquid culture medium to obtain sterile supernate; adding the sterile supernate into a prorocentrum donghaiense culture solution for continuous culture, oxidizing fatty acid, and lysing red tide algae cells; repeatedly extracting the lysedalgae liquid by adopting a rotary evaporation method, and drying to obtain a crude fat extract; and performing methyl esterification on the grease to obtain the biodiesel production raw material. The supernatant of the algae-lysing strain Y42 is used for lysing algae cells, so that the algae-lysing process of downstream extraction is simplified, the production cost is saved, the grease composition can be changed, the grease unsaturation degree of the algae cells is effectively reduced, and the grease IV < 120, CN > 47, and the grease composition is suitable for biodiesel production. And 90% or more of algae cells can be lysed after the algae killing bacteria are treated for 72 hours, so that the development of biodiesel is facilitated, and harm is turned into treasure.

The invention discloses a preparation method of yolk wine, and belongs to the technical field of wine preparation. The preparation method comprises the following steps of: firstly, preparing yolk liquid; then, adding granulated sugar and an emulsifier into the yolk liquid, mixing and uniformly stirring; then, adding food-grade alcohol, brandy and essence into the yolk liquid, mixing, homogenizingfor a period of time, then filtering, filtering the prepared liquid by using a 100-mesh filter screen, retaining the filtrate, and discarding the filter residue; and finally, bottling the filtrate toobtain a finished product. The yolk wine prepared by the preparation method disclosed by the invention not only has the fragrant and sweet flavor of wine, but also retains the nutritional value of eggyolk, can supplement various trace elements for a human body by frequent drinking, can also clean the lipid peroxide in the body and prevent the generation of free radicals, and has great benefits for delaying human aging and prolonging human life. The yolk wine disclosed by the invention fills the blank in the field of prepared wine, enriches the product types, meets the market demand, and has good market prospects and economic benefits.

The invention discloses an antioxidant composition with a synergistic effect. The antioxidant composition is prepared from the following components in percentage by weight: 0.2 to 1 percent of decarboxylated carnosine hydrochloride, 0.002 to 0.02 percent of thiotaurine and 0.001 to 0.01 percent of dimethyl methoxy benzodihydropyranol. According to the present invention, the toxic peroxide fatty acid can be reduced into the non-toxic fatty alcohol, the sebum oxidation and the generation of the active oxygen causing the oxidation damage to the skin surface can be inhibited, the lipid peroxidation ability can be reduced, the oxidative stress defense can be enhanced, and the characteristics of low addition amount, strong oxidation resistance and high stability can be provided.

The invention discloses a preparation method of beef tallow substitute fat for chafing dish, and belongs to the field of food. The beef tallow substitute fat for the chafing dish provided by the invention comprises beef tallow and vegetable fat, and oxidized fat rich in volatile components is obtained by regulating the oxidation degree of fat, so that the product is richer in fragrance and more prominent in characteristic flavor. The use amount of beef tallow in the pot bottom is reduced, the problems that the beef tallow hotpot condiment is high in cost and the vegetable oil hotpot condiment is insufficient in taste and flavor are solved, and the quality of the hotpot condiment is improved.

The present invention is concerned with a method of extracting oxidized lipids from a lipid solution, the method comprising (a) a derivatisation step, comprising contacting a derivatisation agent with the lipid solution such that aldehydic oxidized lipids and/or α,β-unsaturated oxidised lipids, if present in the lipid solution, are derivatised to include an anionic group, and (b) an oxidised lipid capture step, in which nanoparticles are contacted with the lipid solution, wherein the nanoparticles capture anionic-group containing oxidised lipids. The invention also includes a method of extracting aldehydic oxidized phospholipids from a lipid solution, the method comprising (a) a derivatisation step, comprising introduction of a anionic group to aldehydic oxidized lipids and/or α,β-unsaturated oxidised lipids in the lipid solution, and (b) an oxidised lipid capture step, in which nanoparticles are contacted with the lipid solution, wherein the nanoparticles bind anionic-group containing oxidised lipids.

The invention discloses a biodegradable aluminum alloy hot rolling liquid which comprises the following components in percentage by weight: 30-70% of dioctyl terephthalate; 20% to 60% of neopentyl polyol ester base oil; 0.2% to 1.5% of methyl benzotriazole; 1%-5% of mahogany petroleum sulfonate; 1%-5% of vegetable oleic acid; 1%-4% of ethoxylated fatty amine; 2%-5% of polyoxyethylene oleate; and 2%-5% of an anionic surfactant. The invention further discloses a preparation method of the biodegradable aluminum alloy hot rolling liquid. Compared with the prior art, DOTP (dioctyl terephthalate) in any proportion is used in the rolling liquid to replace mineral oil which is not easy to degrade, and the performance of the rolling liquid after replacement is kept unchanged and is even superior to that before replacement, so that the product is good in lubricity, easy to biodegrade, low-carbon and environment-friendly, and an emulsifier easy to biodegrade is used in the rolling liquid.