ID 3.2.1.190 DE dioscin glycosidase (3-O-beta-D-Glc-diosgenin-forming). AN dioscin-alpha-L-rhamnosidase. CA dioscin + 2 H2O = diosgenin 3-O-beta-D-glucoside + 2 L-rhamnopyranose. CC -!- The enzyme is involved in the hydrolysis of the steroid saponin CC dioscin by the digestive system of Sus scrofa (pig). cf. CC EC 3.2.1.189. //