Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1994-03-17
1995-01-17
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568816, 568822, 568823, 568824, 568832, C07C 3508, C07C 3518
Patent
active
053827147
ABSTRACT:
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other carotenoids. Lutein may be used as an analytical standard or in cancer prevention trials and as a safe and effective color additive for human food.
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Lone Werren B.
The Catholic University of America
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