Process for isolation, purification, and recrystallization of lu

Details Process for isolation, purification, and recrystallization of lu Process for isolation, purification, and recrystallization of lu

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.

REFERENCES:
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patent: 4028217 (1977-06-01), Okada et al.
patent: 4048203 (1977-09-01), Philip
patent: 4316917 (1982-02-01), Antoshkiw et al.
patent: 4851339 (1989-07-01), Hills
patent: 4871551 (1989-10-01), Spencer
patent: 5019668 (1991-05-01), Keat et al.

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