Antioxidant Activities of Stilbenoids from Rheum emodi Wall
Scavenging effect on DPPH radical (a) and superoxide anion (b). ▲, , ■, □, ●, and ○ indicated PICE, PICG, RES, POD, Vc, and EDA, respectively. Results are presented as the mean scavenging percentage (DRSA% for DPPH radical and SASA% for superoxide anion) from triplicate tests.
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