Oil comprising at least one polyunsaturated fatty acid having at least 20 carbon atoms (LC-PUFA)

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United States of America Patent

PATENT NO 11666062
APP PUB NO 20200404938A1
SERIAL NO

16956820

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Abstract

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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.

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Patent Owner(s)

  • DSM IP ASSETS B. V.; EVONIK OPERATIONS GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heining, Martin Karlstein am Main, DE 9 64
Tarwade, Vinod Kaiseraugst, CH 8 55
Wallimann, Viktor Stefan Kaiseraugst, CH 1 7

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