04.01.09
OmniActive Health Technologies, Ltd., Mumbai, India, has secured patents in Australia (#2002347590), Canada (#2,496,495) and Japan (#2004-530493) for the company’s technology for lutein in the free form. These patents describe the preparation of xanthophyll crystals containing high content of trans-lutein and specific levels of zeaxanthin to provide standardized levels of free lutein with zeaxanthin, and the reduction to trace amounts of cis-lutein and other carotenoids.