Company News, Patents

Patent Granted For Lutein Extraction Method

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By: TOM BRANNA

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Patent No. US 6,737,552 B1: A researcher in Northfield, MN, patented a method to isolate lutein from green plant materials. It involves performing a two supercritical fluid extraction of a green plant material at different pressures. The second extract contains lutein, but is free of carotene....

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