Fig. 2. Effects of hesperidin and hesperetin on lipid peroxidation in liver of AAPH-induced rats. Values are mean±standard deviation. Different letters (a-d) are significantly different (P<0.05) among groups by Duncan’s multiple range test. MDA: malondialdehyde, AAPH: 2,2'-azobis (2-aminopropane) dihydrochloride.