Fig. 1

DPPH-free radical scavenging activity of O. vulgare extracts (OV 1, OV 2, OV 3 and OV 4) and catechin. The results are expressed in terms of IC50 values indicating the concentrations required to scavenge 50% of the free radicals
DPPH-free radical scavenging activity of O. vulgare extracts (OV 1, OV 2, OV 3 and OV 4) and catechin. The results are expressed in terms of IC50 values indicating the concentrations required to scavenge 50% of the free radicals