Chrysophanol 8-O-β-D-(6′-O-galloyl)glucopyranoside
Chrysophanol 8-O-β-D-(6’-O-galloyl)glucopyranoside, an anthraquinone glucoside, can be isolated from Rheum undulatum L. Chrysophanol 8-O-β-D-(6’-O-galloyl)glucopyranoside has potent DPPH radical and O2- scavenging activity[1].