Method for obtaining lipids from fungus bodies

Details Method for obtaining lipids from fungus bodies Method for obtaining lipids from fungus bodies

C - Chemistry, Metallurgy

11

B

260/497.8, 260/5

C11B 1/10 (2006.01) C11B 7/00 (2006.01) C12N 1/00 (2006.01) C12P 7/64 (2006.01)

Patent

CA 1273640

ABSTRACT The invention relates to a procedure of obtaining a lipid mixture rich in the content of .gamma.-linolenic acid or glycerides thereof from a cultured fungus bodies of a filamentous Mortierella fungus. The invention pro- poses, on one hand, to fractionally extract the lipid mixture from the fungus bodies under mechanical disinteg- ration in two steps first with an alcohol containing water to give a fraction rich in the polar lipids and then with a hydrocarbon solvent, e.g. hexane, to give a fraction lean in the polar lipids. The invention proposes, on the other hand, to enrich a lipid mixture relative to .gamma.-linolenic acid by fractionally crystallizing a part of a staring lipid mixture in a solution of a specified solvent so that the uncrystallized fraction in the mother liquor contains a lipid mixture in which the content of .gamma.-linolenic acid is remarkably increased in comparison with the starting lipid mixture.

499930

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