Method of extracting lutein from green plant materials
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United States of America Patent
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Jun 21, 2005
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N/A
app pub date -
Feb 2, 2004
filing date -
Mar 27, 2003
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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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