Process for the purification of marigold xanthophylls

Details Process for the purification of marigold xanthophylls Process for the purification of marigold xanthophylls

2006-12-19

2006-12-19

Tate, Christopher R. (Department: 1655)

Drug, bio-affecting and body treating compositions

Plant material or plant extract of undetermined constitution...

Containing or obtained from a flower or blossom

C424S725000

Reexamination Certificate

active

07150890

ABSTRACT:
Description of a process to extract, saponify and purify lutein and zeaxantine contained in Marigold flowers free from any genetic manipulation, which have been harvested by hand and dried upon weather so that it neither contains epoxicarotenoids or cis-carotenoids. Fatty acids are removed as its metallic salts and carotenoids are recovered using a polar solvent.

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Arun B. Barua and James Olsen, Xanthophyll Epoxides, Unlike B -Carotene Monoepoxides, are not Detectibly Absorbed by Humans, (2001) pp. 3212-3215.

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