Method of extracting lutein from green plant materials

Details Method of extracting lutein from green plant materials Method of extracting lutein from green plant materials

2005-06-21

2005-06-21

Shippen, Michael L. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C554S011000, C568S367000, C585S351000, C585S803000, C585S833000

Reexamination Certificate

active

06909021

ABSTRACT:
The present invention provides a method for extracting carotenoids from green plant materials using supercritical fluid extraction. A first and second supercritical fluid extraction is performed on the green plant composition at two different pressures to obtain two extracts. The first extract includes substantial amounts of β-carotene. The second extract may have a controlled concentration of β-carotene, and includes substantial amounts of lutein.

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Favati, J. Food Science, vol. 53, pp 1532-6 (1988).

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