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