Lutein-Marigold Extract-- Marigold Flower P.E. CAS 127-40-2 Appearance:Orange Powder Test Method UV Part of the Plant Used: Flower of the marigold Extract Method: Alcohol Applicable field:Medicine, Food , Health product Assay: 5%-95% Active material: Lutein Molecular Formula C40H56O2 Molecular Weight 568.88 Solubility: Dissolve in the oil and lipoprotein a little Packing 5KG/Aluminium Foil Bag,25KG/Fibre Drum Particle size 100 mesh Storage store in cool and dry place. keep away from strong light and heat. Shelf Life one year in bulk packing, at proper storage condition