... 30%, 40%, 80%, 90%, 98% HPLC Latin Name: Gynostemma pentaphyllum (Thunb.)Product Type: Light Brown to Yellow Powder Part ... Method: Ethanol CAS#:15588-68-8 What is Gynostemma Powder Extract? Gynostemma pentaphyllum, also called jiaogulan is a dioecious, herbaceous ... , and inhibiting cancer growth. Jiaogulan belongs to the genus Gynostemma, in the family Cucurbitaceae, which includes cucumbers, gourds, ...