Wild Yam Extract Latin Name---Dioscorea opposita Thunb CAS No.--- Appearance---Ashen powder Test Method---HPLC Part of the Plant Used---Dry stem tuber of Dioscorea opposita Thunb Extract Method---Alcohol/water Applicable field---Medical trade Health product trade, antioxidant Assay---6%,16%,20%,98% 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---diosgenin Molecular Formula---C45H72O16 Packing---25Kg / cardboard barrel Particle size---80 mesh Shelf Life---2 years