Fig. 2From: Antioxidant and skin-whitening effects of aerial part of Euphorbia supina Raf. ExtractAntioxidant activities of ES extract. a Scavenging effect of ES on DPPH radical (b) ABTS+ radical scavenging activity of the extract. The ES ethanol extract (ESEE) (8, 40, 200 μg/ml), ascorbic acid (20 μg/ml) were incubated with DPPH, ABTS+ solution, respectively. Results are represented as percentages of control, and the data represent mean ± S.D. for three separate experiments. Values are significantly different by comparison with control. *: p < 0.05, **: p < 0.01Back to article page