OIL COMPRISING AT LEAST ONE POLYUNSATURATED FATTY ACID HAVING AT LEAST 20 CARBON ATOMS (LC-PUFA)
The present invention relates to an oil comprising at least one polyunsaturated fatty acid having at least 20 carbon atoms (LC-PUFA). It is found that LC-PUFA-containing oil are susceptible to gelling by formation of microscopic crystals during storage ultimately resulting in unfavorable quality and...
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Format | Patent |
Language | English French |
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27.06.2019
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Abstract | The present invention relates to an oil comprising at least one polyunsaturated fatty acid having at least 20 carbon atoms (LC-PUFA). It is found that LC-PUFA-containing oil are susceptible to gelling by formation of microscopic crystals during storage ultimately resulting in unfavorable quality and handling properties. This problem has been particularly observed with a microbial oil comprising at least about 25% by weight LC-PUFA and a moisture content of 0,2 to 5% by weight. Surprisingly, it has been found that a LC-PUFA-containing oil as described above is effectively stable and does not show gelling properties under conventional storage conditions, if the oil composition as such contains less than about 8% preferably less than about 5% by weight of free fatty acid in the residual moisture of the oil. Therefore, the present invention is directed to an oil comprising at least about 25% by weight LC-PUFA and a moisture content comprising less than about 8% preferably less than about 5% by weight of free fatty acid.
La présente invention concerne une huile comprenant au moins un acide gras polyinsaturé comportant au moins 20 atomes de carbone (LC-PUFA). Il a été découvert qu'une huile contenant des LC-PUFA est susceptible de se gélifier par formation de cristaux microscopiques pendant le stockage, ce qui se traduit par des propriétés de qualité et de manipulation défavorables. Le problème a été particulièrement observé avec une huile microbienne comprenant au moins environ 25 % en poids de LC-PUFA et une teneur en humidité de 0,2 à 5 % en poids. De manière surprenante, il a été découvert qu'une huile contenant des LC-PUFA telle que décrite ci-dessus est efficacement stable et n'affiche pas de propriétés de gélification dans des conditions de stockage classiques, si la composition d'huile en tant que telle contient moins d'environ 8 %, de préférence moins d'environ 5 %, en poids d'acide gras libre dans l'humidité résiduelle de l'huile. Par conséquent, la présente invention porte sur une huile comprenant au moins environ 25 % en poids de LC-PUFA et une teneur en humidité comprenant moins d'environ 8 %, de préférence moins d'environ 5 %, en poids d'acide gras libre. |
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AbstractList | The present invention relates to an oil comprising at least one polyunsaturated fatty acid having at least 20 carbon atoms (LC-PUFA). It is found that LC-PUFA-containing oil are susceptible to gelling by formation of microscopic crystals during storage ultimately resulting in unfavorable quality and handling properties. This problem has been particularly observed with a microbial oil comprising at least about 25% by weight LC-PUFA and a moisture content of 0,2 to 5% by weight. Surprisingly, it has been found that a LC-PUFA-containing oil as described above is effectively stable and does not show gelling properties under conventional storage conditions, if the oil composition as such contains less than about 8% preferably less than about 5% by weight of free fatty acid in the residual moisture of the oil. Therefore, the present invention is directed to an oil comprising at least about 25% by weight LC-PUFA and a moisture content comprising less than about 8% preferably less than about 5% by weight of free fatty acid.
La présente invention concerne une huile comprenant au moins un acide gras polyinsaturé comportant au moins 20 atomes de carbone (LC-PUFA). Il a été découvert qu'une huile contenant des LC-PUFA est susceptible de se gélifier par formation de cristaux microscopiques pendant le stockage, ce qui se traduit par des propriétés de qualité et de manipulation défavorables. Le problème a été particulièrement observé avec une huile microbienne comprenant au moins environ 25 % en poids de LC-PUFA et une teneur en humidité de 0,2 à 5 % en poids. De manière surprenante, il a été découvert qu'une huile contenant des LC-PUFA telle que décrite ci-dessus est efficacement stable et n'affiche pas de propriétés de gélification dans des conditions de stockage classiques, si la composition d'huile en tant que telle contient moins d'environ 8 %, de préférence moins d'environ 5 %, en poids d'acide gras libre dans l'humidité résiduelle de l'huile. Par conséquent, la présente invention porte sur une huile comprenant au moins environ 25 % en poids de LC-PUFA et une teneur en humidité comprenant moins d'environ 8 %, de préférence moins d'environ 5 %, en poids d'acide gras libre. |
Author | TARWADE, Vinod HEINING, Martin WALLIMANN, Viktor |
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DocumentTitleAlternate | HUILE COMPRENANT AU MOINS UN ACIDE GRAS POLYINSATURÉ COMPORTANT AU MOINS 20 ATOMES DE CARBONE (LC-PUFA) |
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RelatedCompanies | EVONIK DEGUSSA GMBH DSM IP ASSETS B.V |
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Snippet | The present invention relates to an oil comprising at least one polyunsaturated fatty acid having at least 20 carbon atoms (LC-PUFA). It is found that... |
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SubjectTerms | ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES BEER BIOCHEMISTRY CANDLES CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DETERGENTS ENZYMOLOGY ESSENTIAL OILS FATTY ACIDS THEREFROM FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PERFUMES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE |
Title | OIL COMPRISING AT LEAST ONE POLYUNSATURATED FATTY ACID HAVING AT LEAST 20 CARBON ATOMS (LC-PUFA) |
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