Neuroactive gypenosides from Yunnan Gynostemma pentaphyllum: Nrf2-mediated cytoprotection and cholinesterase inhibition.
Findings demonstrate clear regional differences in pharmacological efficacy among the five samples, identify new gypenosides from ZTB with both cholinesterase-inhibitory and cytoprotective activities in vitro, and provide preliminary scientific validation for the ethnopharmacological application of ZTB in the context o...