... Yam Extract 2. Dioscorea villosa 3. 10-98% Diosgenin HPLC 4. GMP,Kosher, Halal, ISO 9001 5. Large output Wild Yam Extract DiosgeninCAS ... this saponin leads to scission of the trisaccharide at the 3-position and the formation of the aglycone, diosgenin. Treatment ... in cool dry place,avoid sunlight and high temperature3W Botanical Extract Inc.Rm.C401, Bldg.1, Changsha International Enterprise Center, ...