Method for producing high purity omega-3 fatty acid ethyl ester

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United States of America Patent

PATENT NO 10240172
APP PUB NO 20160208296A1
SERIAL NO

14914804

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Abstract

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The present invention relates to the field of methods for purifying fatty acid ethyl esters. According to the present invention, a method for obtaining a ω3 fatty acid ethyl ester, such as EPA and DHA, each as a high purity product at a high yield is provided. In the method according to the present invention, a raw material fat including EPA and DHA is treated with a lipolytic enzyme and ethyl-esterification is performed as needed; the treated substance is fractionated into a glyceride fraction and a free fatty acid fraction; a fraction comprising more EPA ester and a fraction comprising DHA ester are obtained from the respective fractions; the fraction comprising more EPA ester is purified to prepare a high-purity EPA ester; and the fraction comprising more DHA ester is purified to prepare a high-purity DHA ester.

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Patent Owner(s)

Patent OwnerAddress
BIZEN CHEMICAL CO LTD363 TOKUTOMI AKAIWA-SHI OKAYAMA 7090716

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Jun Okayama, JP 31 429
Shimizu, Yoshio Okayama, JP 41 382
Taira, Tetsuro Okayama, JP 2 1
Uryu, Keisuke Okayama, JP 2 4

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