Dioscorea(Dioscorea zingiberensis C.H. Wright), which belongs to Dioscorea family in Dioscoreaceae, is a perennial twisted herb and a unique steroid hormone drug plant in China. The root contains diosgenin which is the synthesis of a variety of steroidal hormone precursor, Two-thirds percent of world production of steroids is to take it as raw material. Currently on the Diosgenin extraction method has a lot of, but mostly to prefermented acid hydrolysis method, this method has the advantages of simple proce...