Zeaxanthin---trans-Zeatin Latin Name---(E)-2-Methyl-4-(1H-purin-6-ylamino)-2-buten-1-ol CAS No.---144-68-3 Appearance---yellow powder Test Method---HPLC UV Part of plant used---in various plants and animals such as maize, spinach, egg, fish and alga Extract Method---Ethanol Applicable field---Cosmetics, feed, medicine, aquatic products, antioxidant Assay---10%--60% Heavy Meta---<10ppm As---<1ppm Pb---<1ppm Hg---<1ppm Cd---<1ppm Ni---<1ppm Total Plate Count---<1000cfu/g Yeast & Mold---<100cfu/g Loss on drying---<2% E. Coli---Negative Pesticides--- Negative Salmonella---Negative Active material---Zeaxanthin Molecular Formula---C10H13N5O Molecular Weight---219.25 Melting point---210¡ãC Packing---25 kilograms/cardboard barrel, 0.5-5 kilograms/aluminum platinum bag Particle size---100 meshes Shelf life---18 months