The polyphenolic-rich extract of T. chebula showed significant scavenging activity of H2O2 in a
concentration-dependent manner (r2 = 0.990, Fig. 6), with an IC50 value of 265.53 g/mL, whereas the IC50 value for ascorbic acid was 278 g/mL (r2 = 0.993, Fig. 6).