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Antioxidant capacities of various extracts of saffron: (a) ABTS scavenging radical assay; (b) DPPH scavenging radical assay; (c) reducing power assay. Data are expressed as means ± standard error of the mean (SEM, n = 3). DPPH: 2,2-diphenyl-1-picrylhydrazyl; ABTS: 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid); Vc: vitamin C.
