Fig. 7

(a) DPPH radical scavenging activities and (b) IC50 of various concentrations of pigment extracts by Synechocystis sp. PCC 6803, where ascorbic acid was used as standard. Mean ± SD, n = 3
(a) DPPH radical scavenging activities and (b) IC50 of various concentrations of pigment extracts by Synechocystis sp. PCC 6803, where ascorbic acid was used as standard. Mean ± SD, n = 3