Method for extracting xanthophylls from corn

Munir Cheryan (Inventor)

Research output: Patent

Abstract

The method of the invention uses raw corn, or a corn by-product as a source. The source is mixed with an alcohol to produce an alcohol-corn slurry. Centrifugation or filtration produces a clear filtrate from the alcohol-corn slurry. A membrane filtration step is then used to separate purified xanthophylls. Other steps may be combined with the basic process to produce additional corn products, such as oil and zein.
Original languageEnglish (US)
U.S. patent number6169217
StatePublished - Jan 2 2001

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