Process for the formation and isolation of carotenoid crystals
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United States of America Patent
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Issued Date -
Jun 30, 2005
app pub date -
Jan 5, 2005
filing date -
Jun 10, 2002
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Abandoned
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Abstract
A process for the production of the carotenoids crystals from a carotenoid-containing plant oleoresin which process comprises (a) a first step of introducing the oleoresin to an organic solvent, an alcohol and a base under reflux temperature of the organic solvent to form a saponification reaction mixture; (b) maintaining said saponification reaction mixture for a period of time sufficient to complete the saponification reaction, thereby producing a saponified product; (c) allowing the resulting saponified product to separate into two phases comprising an organic phase and an aqueous phase; (d) separating said phases and extracting the extracting the aqueous phase; (e) distilling said organic phase to obtain the carotenoid crystals.
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