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.
Patent Granted For Lutein Extraction Method
Published November 15, 2005
blog comments powered by Disqus