Gymsyloside F and Gymsyloside G, Two New Pregnane Glycosides From the Leaves of Gymnema sylvestre and Their α-Glucosidase and α-Amylase Inhibitory Activities:

Two new pregnane glycosides were isolated from the leaves of Gymnema sylvestre (Retz.) R.Br. ex Sm. Their chemical structures were determined as (20S)−12β-tigloyloxy-5α-hydroperoxy-3β,8β,14β,17β,20...