271 results about "EPA - Eicosapentaenoic acid" patented technology

The present invention relates to methods of synthesizing long-chain polyunsaturated fatty acids, especially eicosapentaenoic acid, docosapentaenoic acid and docosahexaenoic acid, in recombinant cells such as yeast or plant cells. Also provided are recombinant cells or plants which produce long-chain polyunsaturated fatty acids. Furthermore, the present invention relates to a group of new enzymes which possess desaturase or elongase activity that can be used in methods of synthesizing long-chain poly unsaturated fatty acids.

A preventive/therapeutic agent for varicose veins or a composition for the prevention or alleviation of symptoms relevant to varicose veins. The preventive/therapeutic agent for varicose veins or the composition for the prevention or alleviation of symptoms relevant to varicose veins each is characterized by containing eicosapentaenoic acid.

A nutrition bar comprising about 10% wt or more of soy and/or rice protein, at least one transition metal or transition metal compound, and about 2% wt or more of a humectant, and wherein the at least one transition metal or transition metal compound is in a substantially water insoluble form at 20° C. or the nutrition bar has an Aw of 0.45 or less or about 1% wt or more of the soy and/or rice protein is in the form of nuggets and the humectant is selected from polyols. The bars have elevated levels of soy and/or rice protein, yet do not suffer unacceptable from a deterioration in taste or other organoleptic properties over time. In other aspects, a nutrition bar or other food which incorporates pro-oxidants and/or polyunsaturated fatty acids or their sources in encapsulated form, especially as microcapsules. The pro-oxidants may be metal salts such as copper, manganese, iron and/or zinc salts. Sources of omega-3 fatty acids include fish oil. Processes for preparing the polyunsaturated fatty acid capsules are also disclosed. The polyunsaturated fatty acid capsules/microcapsules are prepared by forming an emulsion of the unsaturated fatty acid with a carrier, spray drying the emulsion to form a powder and encapsulating powder, especially with a fluid bed. The invention is especially useful for encapsulating polyunsaturated fatty acids, or oil sources thereof, most preferably omega-3 and omega-6 fatty acids, such as arachidonic acid, docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), lineoleic acid, linolenic acid (alpha linolenic acid), and gamma-linolenic acids, fish oil, and oil sources of C18:2 and C18:3 fatty acids such as canola oil, soybean oil or blends thereof.

This invention concerns a method for stimulating barrier integrity in a subject by administering to a subject a composition comprising docosapentaenoic acid (22:5 n3; DPA). Also the invention concerns a composition comprising DPA and eicosapentaenoic acid (EPA).

The subject invention relates to the identification of several genes involved in the elongation of polyunsaturated acids (i.e., "elongases") and to uses thereof. At least two of these genes are also involved in the elongation of monounsaturated fatty acids. In particular, elongase is utilized in the conversion of gamma linolenic acid (GLA) to dihomogamma linolenic acid (DGLA) and in the conversion of AA to adrenic acid (ADA), or eicosapentaenoic acid (EPA) to omega3-docosapentaenoic acid (DPA). DGLA may be utilized in the production of polyunsaturated fatty acids, such as arachidonic acid (AA), docosahexaenoic acid (DHA), EPA, adrenic acid, omega6-docosapentaenoic acid or omega3-docosapentaenoic acid which may be added to pharmaceutical compositions, nutritional compositions, animal feeds, as well as other products such as cosmetics.

The production and use, and in particular, the extraction, separation, synthesis and recovery of polar lipid-rich fractions containing eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), docosapentaenoic acid (DPA(n-3) or DPA(n-6)), arachidonic acid (ARA), and eicosatetraneonoic acid (C20:4n-3) from microorganisms, genetically modified seeds and marine organisms (including fish and squid) and their use in human food applications, animal feed, pharmaceutical applications and cosmetic applications.

Disclosed are processes for stabilizing omega-3 fatty acids for use in food products. The processes permit creation of a variety of food forms and food ingredients that contain omega-3 fatty acids like docosahexaenoic acid and eicosapentaenoic acid wherein these foods and food forms are stable for months without developing fishy aromas or tastes. This stability enables the incorporation of omega-3 fatty acids into food forms such as ready to eat cereals, trail mixes, chips, granola bars, toaster pastries, baked goods, cookies, crackers, fruit pieces and fruit leathers. The processes utilize a zein coating to protect and stabilize the omega-3 fatty acids.

The invention relates to a method for enriching n-3 polyunsaturated fatty acid (n-3PUFA) from fish oil, which belongs to the food organism and functional health product technical field. The method takes the fish oil as a raw material, uses the chemical hydrolysis method to hydrolyze the fish oil, respectively obtains high-purity eicosapentaenoic acid (EPA) and high-purity docosahexaenoic acid (DHA) from the hydrolyzed fish oil through separation and purification, uses glycerol and the purified EPA or DHA as raw materials and utilizes lipase to respectively catalyze and synthesize an EPA glyceride product or a DHA glyceride product in an organic phase. The products are mainly n-3PUFA triglyceride; the purity of the products is high; and the concentration of EPA triglyceride in the EPA glyceride is between 90 and 95 percent, and the concentration of DHA triglyceride in the DHA glyceride is between 92 and 94 percent. The high-purity EPA triglyceride product and the high-purity DHA triglyceride product prepared by the method well improve the application pertinence of different health care efficacies of natural fish oil products and improve the functional health care value of the fish oil products.

The invention discloses a method for separating and purifying DHA (docosahexaenoic acid) and saturated fatty acid from schizochytrium limacinum oil. The method includes: firstly, saponifying, salting out and acidizing the schizochytrium limacinum oil under protection of nitrogen so as to obtain free mixed fatty acid, and separating the fatty acid different in degree of saturation by urea adduction fractionation so as to obtain filtrate and solids after filtration; concentrating and extracting the filtrate so as to obtain polyunsaturated fatty acid rich in DHA and DPA (docosapentenoic acid); and allowing the solids to leach by means of acidolysis, extracting the saturated fatty acid (mainly comprising palmic acid) and recovering urea, wherein the urea is recyclable. The method is performedat a low temperature, oxidization of the unsaturated fatty acid is avoided, biological activity and nutrition of the unsaturated fatty acid are kept intact, and the problem of residual solvent is avoided. Products are high in purity, and the obtained polyunsaturated fatty acid mainly comprises the DHA and the DPA and hardly comprises EPA (eicosapentaenoic acid), the content of the DHA and the DPAis higher than 93%, and the content of the palmic acid of the saturated fatty acid is higher than 82%.

The invention concerns a method for stimulating intestinal barrier integrity in a patient infected with HIV by administering to said patient composition comprising: eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA) and arachidonic acid (ARA), and at least two distinct oligosaccharides.

The present invention comprises a method of improving bone health and muscle health in a companion animal comprising administering a composition comprising a fatty acid component to the companion animal wherein the fatty acid component comprises a ratio of docosahexaenoic acid (DHA) to eicosapentaenoic acid (EPA) from about 3:1 to about 25:1. The present invention additionally comprises a composition comprising a fatty acid component comprising docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) wherein the ratio of docosahexaenoic acid (DHA) to eicosapentaenoic acid (EPA) is from about 3:1 to about 25:1.

The present invention belongs to the technical field of feed, and specifically discloses a functional fat feed additive and a preparation method thereof. The functional fatty feed additives mainly comprise the following components in parts by weight: linoleic acid 15-25 parts, arachidonic acid, 2-10 parts, alpha-linolenic acid 8-10 parts, eicosapentaenoic acid 5-10 parts, docosahexaenoic acid 5-10 parts, docosapentenoic acid 2-8 parts, and vitamin C1 1-5 parts. The omega-6 and omega-3 polyunsaturated fatty acid are used to prepare a fat feed additive microcapsule by applying the microencapsulation technique, which not only improves the addition ratio of omega-3 polyunsaturated fatty acid of the daily ration, but also maintains a suitable ratio between omega-6 and omega-3 polyunsaturated fatty acids of the daily ration, makes full use of the nutritional efficacies of omega-6 and omega-3 polyunsaturated fatty acids, improves the immunity of animals, and improves the growth and reproductive performance of animals.

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 discloses a process capable of simultaneously producing and separating high-purity EPA (eicosapentaenoic acid) ethyl ester and high-purity DHA (docosahexaenoic acid) ethyl ester. With crude fish oil as raw material, supercritical fluid extraction, base catalysis and esterification, supercritical counter-current extraction, urea clathration and supercritical rectification are carried out, and EPA ethyl ester and DHA ethyl ester with the purity being more than 90% are obtained respectively. By adopting the process disclosed by the invention, the EPA ethyl ester and the DHA ethyl ester can be effectively purified and separated, and the contents of the obtained EPA ethyl ester and DHA ethyl ester are respectively more than 90%; and no residual solvent exists in the product, preoxidation value is less than 2meq/kg, anisidine value is less than 10, acid value is less than 0.5mgKOH/g, polymer is less than 0.2%, no stearin is contained, and the defects of the prior art that cost is high, process is complex, long time is consumed and safety is difficult to guarantee can be overcome.

Disclosed is a method for breeding mandarin fish by utilizing microorganic feed. The method includes that: a pond is built; the pond requires a sandy bottom, about 15cm of sludge in depth, deeper than 1.5m of water, convenient irrigation and drainage, good water quality and no sewage inflow; environment requires: parent fish are selected at the most suitable growing water temperature which is 25-29 DEG C in artificial breeding application; in winter and spring, the parent fish healthy in physique and woundless in body surfaces are captured from a breeding pond and put into the pond in a greenhouse for artificial reproduction; the parent fish are put into the pond in the greenhouse for cultivation, and during daily breeding management, in the breeding period, the feed is put for 4 times every day, the amount of the feed is calculated according to 25-50% of the weight of the fish, and the feeding degree is determined according to the fact that no fish competes for food and is flexibly mastered according to weather conditions. Due to the addition of the compound microorganic feed, quick growth of the mandarin fish can be facilitated, EPA (eicosapentaenoic acid) content is increased, illness of the mandarin fish is decreased, the mandarin fish died of disease are decreased, beneficial microorganisms in water are increased, and quality and mass are increased finally.

The present invention provides natural fish oils comprising altered fatty acid profiles, which are useful e.g. as a nutritional supplement. In one aspect, the invention relates to a method for obtaining such fish oils with altered fatty acid profile, in particular, oils containing nutritionally important fatty acids such as Arachidonic acid, Eicosapentaenoic acid and Docosahexaenoic acid. The method comprises the steps of (a) feeding fish a composition comprising at least one fatty acid, so as to obtain altered levels of an endogenous and/or non-endogenous fatty acid in said fish, and (b) extracting oil comprising altered levels of the at least one fatty acid from said fish. The invention further relates to a method of purifying a composition comprising at least one fatty acid by feeding a first composition to a fish and extracting a second composition comprising the at least one fatty acid from said fish. Further aspects of the invention relate to a method of preparing a triglyceride, a method of rearing fish, and use of compositions according to the invention for the preparation of a dietary supplement, a nutraceutical and/or as a food/feed additive. The invention also relates to oils obtainable by the methods of the invention, to fish comprising altered levels of Arachidonic acid, Eicosapentaenoic acid and Docosahexaenoic acid, as well as oil from a fish comprising altered levels of these fatty acids.

A method for modulating enzymatic degradation of articular cartilage in a dog comprises administering to the dog an enzymatic degradation modulating effective amount of eicosapentaenoic acid (EPA), for example as a component of a food composition. By practice of the method in a dog having arthritis, mobility of the dog can be increased, weight bearing in an arthritic limb can be increased, and/or pain associated with arthritis can be reduced.