Fig. 2From: In vitro antioxidant activity of crude extracts of Harpagophytum zeyheri and their anti-inflammatory and cytotoxicity activity compared with diclofenacAntioxidant activity of crude extracts of H. zeyheri using the DPPH assay at various concentrations (400, 200, 100, 50, 12.5, and 6.25 μg/ml)Back to article page