Dioscoreae Rhizoma/Common Yam/Yam in slice, whole , powder Common Yam/Chinese yam contains mainly dioscin, glucoproteines.Product Name:Common Yam/Chinese yamLatin name: Dioscoreae RhizomaBotanical Source: Dioscorea opposite Thunb.Part used: rhizomaSpecification: whole, 3-5mm slice, 2-3mm slice, powder ect.Packing: cartons or pp bagWe produce natural herb/mushroom/spice. Over 300 kinds of herbs ( ...