Dammarane-type triterpenoid saponins from Gynostemma pentaphyllum collected from Guangxi, China and their effects on ATP production in C2C12 myotubes.
Ten undescribed dammarane-type triterpenoid saponins (1‒10), along with six known analogues (11‒16) were isolated from the dry leaves of Gynostemma pentaphyllum (Thunb.) Makino, collected from Guilin City in Guangxi, China. Their diverse structures were elucidated on the basis of comprehensive spectroscopic analysis of...