Plant Extract Extracted from marigold flower and purified by patented technology, which is also certified by F. Hoffmann-La Roche Ltd in Switzerland. We can supply a little quantity of sample. Features: 1) Product name: lutein 2) Chemical name: 3, 3 -dihydroxy-d-carotene 3) Molecular formula: C40H56O2 4) Molecular weight: 568.9 5) Appearance: powder 6) Solubility: soluble in hexane, ethyl acetate, insoluble in water 7) Purity Lutein (HPLC) 5%-95% 8) Outer packing: 25kg/fiber drum Other variety plant extract can also be manufactured and provided within our co. and competitive price can be obtained. Welcome to contact us by