162 results about "Docosapentaenoic acid" patented technology

The present invention relates to a process for preparing a biomass, such as from a microbial fermentation, for an extraction process to separate desired chemicals, nutritional products, bioactive components, proteins, carbohydrates, and lipids, from the biomass. Particularly preferred substances to extract include docosahexaenoic acid, docosapentaenoic acid, and arachidonic acid. The present invention also includes extracting the prepared biomass. Biomasses to be treated in accordance with the methods of the invention include plant, animal, and microbial biomass, particularly a microorganism such as Crypthecodinium cohnii and a fungus such as Mortierella alpina.

The present invention relates to fatty acid desaturases and elongases able to catalyze the conversion of linoleic acid (LA) to γ-linolenic acid (GLA); α-linoleic acid (ALA) to stearidonic acid (STA); GLA to dihomo-γ-linoleic acid (DGLA); STA to eicosatetraenoic acid (ETA); DGLA to ETA; eicosapentaenoic acid (EPA) to docosapentaenoic acid (DPA); and arachidonic acid (ARA) to EPA. Nucleic acid sequences encoding codon-optimized desaturases and elongases, nucleic acid sequences which hybridize thereto, DNA constructs comprising the codon-optimized desaturase or elongases, and recombinant host microorganisms expressing increased levels of desaturase or elongase are described.

The present invention relates to the Schizochytrium genus SR21 strain and a microorganism belonging to the same species as does said SR21 strain or having substantially the same fungological properties as does said SR21 strain, the said SR21 strain and microorganism having the ability to produce the (n-3) series of docosahexaenoic acid (DHA) and the (n-6) series of docosapentaenoic acid (DPA), and the invention also relates to a process for preparing the (n-3) series of DHA and the (n-6) series of DPA utilizing said microorganisms. The microorganisms according to the present invention are superior in their proliferation character and their propensity to produce fat, and have the ability to produce the (n-3) series of DHA and the (n-6) series of DPA very well. Accordingly, it is possible to effectively produce the (n-3) series of DHA and / or the (n-6) series of DPA, which are useful in the fields of foods and pharmaceuticals, using the microorganisms according to the present invention. In addition, the present invention provides a fat obtained by culturing the present microorganisms. Since the fat composition contains the (n-6) series of DPA in addition to the (n-3) series of DHA having various physiological activities, it is possible to stably and effectively supply the (n-6) series of DPA and / or the (n-3) series of DHA to subjects in need of these highly unsaturated fatty acids by adding the fat composition to various feedstuffs or foods.

The present invention relates to methods for the production of ω-3 and / or ω-6 fatty acids in oleaginous yeast. Thus, desaturases and elongases able to catalyze the conversion of linoleic acid (LA) to γ-linolenic acid (GLA); α-linoleic acid (ALA) to stearidonic acid (STA); GLA to dihomo-γ-linoleic acid (DGLA); STA to eicosatetraenoic acid (ETA); DGLA to arachidonic acid (ARA); ETA to eicosapentaenoic acid (EPA); DGLA to ETA; EPA to docosapentaenoic acid (DPA); and ARA to EPA have been introduced into the genome of Yarrowia for synthesis of ARA and EPA.

The present invention relates to a process for preparing a biomass, such as from a microbial fermentation, for an extraction process to separate desired chemicals, nutritional products, bioactive components, proteins, carbohydrates, and lipids, from the biomass. Particularly preferred substances to extract include docosahexaenoic acid, docosapentaenoic acid, and arachidonic acid. The present invention also includes extracting the prepared biomass. Biomasses to be treated in accordance with the methods of the invention include plant, animal, and microbial biomass, particularly a microorganism such as Crypthecodinium cohnii and a fungus such as Mortierella alpina.

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.

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 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 desatorase or elongase activity that can be used in methods of synthesizing long-chain polyunsaturated fatty acids.

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 polyunsaturated fatty acids.

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.

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.

Orally administrable composition comprising fatty acids, wherein at least 50% by weight of the fatty acids comprise omega-3-fatty acids, salts or derivatives thereof, wherein the omega-3 fatty acids comprise eicosapentaenoic acid (EPA; C20:5-n3), docosapentaenoic acid (DPA; C22:5-n3), and docosahexaenoic acid (DHA; C22:6-n3), wherein the ratio of DHA to EPA (DHA:EPA) is less than 1:20, and wherein the ratio of DHA to DPA (DHA:DPA) is less than 2:1 are provided. These compositions can be used for the treatment or prophylaxis of dyslipidemic, cardiovascular, CNS, inflammatory, and other diseases / conditions or risk factors therefore.

The present invention relates to methods for the production of ω-3 and / or ω-6 fatty acids in oleaginous yeast. Thus, desaturases and elongases able to catalyze the conversion of linoleic acid (LA) to γ-linolenic acid (GLA); α-linoleic acid (ALA) to stearidonic acid (STA); GLA to dihomo-γ-linoleic acid (DGLA); STA to eicosatetraenoic acid (ETA); DGLA to arachidonic acid (ARA); ETA to eicosapentaenoic acid (EPA); DGLA to ETA; EPA to docosapentaenoic acid (DPA); and ARA to EPA have been introduced into the genome of Yarrowia for synthesis of ARA and EPA.

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 desatorase or elongase activity that can be used in methods of synthesizing long-chain polyunsaturated fatty acids.

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.

The subject invention relates to the identification of four genes involved in the elongation of polyunsaturated acids (i.e., “elongases”) and to uses thereof. 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 DGLA or 20:4n-3 to eicosapentaenoic acid (EPA). DGLA may be utilized in the production of polyunsaturated fatty acids, such as arachidonic acid (AA), docosahexaenoic acid (DHA), EPA, adrenic acid, ω6-docosapentaenoic acid or ω3-docosapentaenoic acid which may be added to pharmaceutical compositions, nutritional compositions, animal feeds, as well as other products such as cosmetics.

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 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 dihomogama linolenic acid (DGLA) and in the conversion of DGLA or 20:4n-3 to eicosapentaenoic acid (EPA). DGLA may be utilized in the production of polyunsaturated fatty acids, such as arachiodonic acid (AA), docosahexaenoic acid (DHA), EPA, adrenic acid, ω6-docosapentaenoic acid or ω3-docosapentaenoic acid which may be added to pharmaceutical compositions, nutritional compositions, animal feeds, as well as other products such as cosmetics.

The present invention relates to extracted plant lipid or microbial lipid comprising docosahexaenoic acid, and / or docosapentaenoic acid, and processes for producing the extracted lipid.

A method of measuring Reelin as a biomarker, to non-destructively assess or predict DHA levels in the brain and in other, currently inaccessible or difficult-to-access, key components of the central nervous system (CNS) is described. Also described is a method to prevent, delay the onset of, or treat Reelin deficiency or dysfunction and / or a disease or condition associated with Reelin deficiency or dysfunction, comprising administering to a patient diagnosed with or suspected of having a Reelin deficiency or dysfunction an amount of a PUFA, and particularly an omega-3 PUFA, and more particularly, docosahexaenoic acid (DHA) or a precursor or source thereof, to compensate for the effects of Reelin deficiency or dysfunction in the patient. Also described is a method to prevent or reduce developmental defects or disorders associated with Reelin dysfunction or deficiency through the supplemental use of polyunsaturated fatty acids (PUFAs—unsaturated fatty acids having two or more double bonds), and particularly highly unsaturated fatty acids (HUFAs—unsaturated fatty acids having three or more double bonds), and more particularly a HUFA selected from arachidonic acid (ARA), eicosapentacnoic acid (EPA), docosahexaenoic acid (DHA) and docosapentaenoic acid (DPA), and even more particularly omega-3 HUFAs, and more particularly DHA, to: compensate for reduced fatty acid binding protein or function thereof in the patient; compensate for reduced brain lipid binding protein or function thereof in the patient; improve the activity of fatty acid binding proteins in the patient; increase the expression of brain lipid binding proteins (BLBPs) in the patient; improve at least one parameter of the mechanism of action of brain lipid binding proteins in the patient; overcome a deficiency of DHA in central nervous system (CNS) structures and improve the resulting function thereof; increase the incorporation of functional DHA and other PUFAs into the phospholipid membranes of glial cells and neurons in the patient; increase the level of Reelin and / or improve the activity of Reelin in the patient; and / or improve at least one symptom of a disease or condition associated with Reelin deficiency or dysfunction.

Infant formula compositions containing docosapentaenoic acid n-6 (“DPA(n-6)”) and other polyunsaturated fatty acids and methods for their preparation and use are provided.

The invention provides blend oil. The blend oil comprises docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), eicosapentaenoic (ARA), and docosapentaenoic acid (DPA), wherein weight ratio of the ARA to the DHA equals to 1-3:1, preference ratio is 1.2-2.4:1, more preferable ratio is 1.2-1.6:1, and optimization ratio is 1.5:1. The blend oil and a preparation method of the blend oil are healthy and balanced in the DHA, the EPA, the DPA, and the ARA.

The present invention is directed to compounds that are analogues of lipid mediators derived from a fish oil-derived fatty acid, eicosapentaenoic acid [C20:5 ω-3; EPA], but with a longer tissue half-life and enhanced bioactivity. These analogues may be used to treat inflammatory, angioproliferative, cardiovascular, thrombophlebotic, vascular, ocular, dermatologic, neurodegenerative, pulmonary, endocrine, reproductive, rheumatologic and gastrointestinal diseases.

A process for preparing lipids which contain docosahexaenoic acid (DHA) and / or docosapentaenoic acid (DPA) is disclosed. The process includes the steps of cultivating in a medium a microorganism which belongs to the genus Ulkenia having the ability to produce DHA and / or DPA and recovering the lipids from the culture. The process may further include the step of separating DHA and / or DPA from the lipids.

A method of stabilizing and potentiating actions and administration of neurotrophins such as brain-derived neurotrophic factor (BDNF), neurotrophin-3, neurotrophin-4, and nerve growth factor and their receptors by using in coupling conjugation with polyunsaturated fatty acids (PUFAs) in the prevention and / or treatment of obesity, type 2 diabetes mellitus, metabolic syndrome X, Alzheimer's disease, depression, Parkinson's disease, and schizophrenia is described. The invention is directed to the efficacious use of various neurotrophins by using them in combination with polyunsaturated fatty acids chosen from linoleic acid, gamma-linolenic acid, dihomo-gamma-linolenic acid, arachidonic acid, alpha-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, cis-parinaric acid, docosapentaenoic acid and conjugated linoleic acid in predetermined quantities. The invention also provides methods of efficiently delivering neurotrophins to the desired areas of the brain by complexing or conjugating with PUFAs, so that they are able to cross blood brain barrier efficiently and reach the desired regions of the brain in adequate amounts.

The present invention relates to extracted plant lipid or microbial lipid comprising docosapentaenoic acid, and processes for producing the extracted lipid.

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.

A process for increasing the concentration of PUFA triglycerides present in natural PUFA oils, in which a natural PUFA oil having a triglyceride content of more than 85% by weight, based on the total weight of the mixture, and having a total PUFA content of more than 39% by weight of total fatty acids is dissolved in an organic solvent or an organic solvent mixture, the mixture is allowed to stand at a temperature of from −35° C. to −100° C. for a period of more than five minutes, the mixture is separated into a supernatant comprising PUFA-triglyceride mixture and a sediment phase, the separation preferably taking place by filtration or centrifugation, and the solvent or solvent mixture, after the removal of the sediment phase, is separated from the supernatant. PUFA-triglyceride mixtures having a PUFA content of more than 55% by weight of total fatty acids of a main PUFA, or at least two PUFAs selected from stearidonic acid, eicosapentaenoic acid, docosapentaenoic acid, docosahexaenoic acid, gamma-linolenic acid and arachidonic acid, and also use thereof in pharmaceutical, cosmetics and food preparations.

The invention relates to a kind of DHA microcapsule food additive and DHA microcapsule functional food, both of which are made up of core material and capsule wall material. What's unique about the products is that the core material contains the docosahexaenoic acid and / or the compound which docosahexaenoic acid is its component fatty acid. Besides, the ratio of docosahexaenoic acid and icosapentaenoic acid is 7 or higher. The products are low in EPA, pollutants, and offensive smell of fish. So they are quite safe to serve as the additive or functional food for infants and children.