Figure 1. Inhibition of β-carotene bleaching assay for various alcoholic and aqueous extracts of leaf and root parts of H. radicata.

Values were presented as the mean±SD of three independent experiments. Vertical bars labeled with different letters are significantly different (P<0.05).LP: leaf-petroleum ether, LC: leaf-chloroform, LE: leaf-ethyl acetate, LM: leaf-methanol, LW: leaf-water, RP: root-petroleum ether, RC: root-chloroform, RE: root-ethyl acetate, RM: root-methanol, RW: root-water. RU: rutin, QE: quercetin, BHA: butylated hydroxylanisole, BHT: butylated hydroxyltoluene.