Process for the isolation of oryzanols from crude dark acid oil

Details Process for the isolation of oryzanols from crude dark acid oil Process for the isolation of oryzanols from crude dark acid oil

1997-01-17

1999-02-09

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Cyclopentanohydrophenanthrene ring system containing

C07J 5300

Patent

active

058697080

ABSTRACT:
A process for the isolation of oryzanols from crude dark acid oil (rice bran) which comprises (a) distilling the free fatty acids from crude dark acid oil by conventional methods, (b) hydrolyzing the resultant residue by conventional methods, (c) dissolving the hydrolyzed product in water to form oryzanol containing micellar aggregates and adding dropwise aqueous solution of calcium chloride to form precipitate, (d) extracting the oryzanols from dried precipitate with polar organic solvent and if desired (e) purifying the oryzanols from the organic extract by column chromatography.

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