Fig. 2From: In vitro anti-HIV and antioxidant activity of Hoodia gordonii (Apocynaceae), a commercial plant productDPPH free radical scavenging activity of ethanol (EEV1) and ethyl acetate (EAV2) extracts of H. gordonii. The IC50 values for the ethanol and ethyl acetate extracts were 124.6 ± 11.3 and 126.2 ± 3.15 μg/mL, respectively. Ascorbic acid (Vit C) was used as a positive control (IC50 < 50 μg/mL)Back to article page