PROCESS FOR PRODUCING HIGHLY UNSATURATED FATTY ACID OF HIGH PURITY IN HIGH YIELD

PROCESS FOR PRODUCING HIGHLY UNSATURATED FATTY ACID OF HIGH PURITY IN HIGH YIELD

A production method of highly unsaturated fatty acids with a high purity/high yield that compensates for shortcomings of conventional techniques is provided. A purification method of highly unsaturated fatty acids and/or derivatives thereof comprising (a) contacting and stirring first raw materials...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MISAWA, Yoshihisa, TABATA, Hiroshi, SHIMIZU, Yoshio, FUJII, Jun, TAIRA, Tetsuro
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
CANDLES
CHEMISTRY
DETERGENTS
ESSENTIAL OILS
FATTY ACIDS THEREFROM
METALLURGY
ORGANIC CHEMISTRY
PERFUMES
PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS
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Beschreibung
Zusammenfassung:A production method of highly unsaturated fatty acids with a high purity/high yield that compensates for shortcomings of conventional techniques is provided. A purification method of highly unsaturated fatty acids and/or derivatives thereof comprising (a) contacting and stirring first raw materials comprising the substances with a first silver salt aqueous solution to collect a first oil layer and a first aqueous layer; (b) separating the first aqueous layer into a second silver salt aqueous solution and the substances; and (c) contacting and stirring the first oil layer with the second silver salt aqueous solution for separation into an oil layer and an aqueous layer to obtain a second aqueous layer comprising the substances.