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Antioxidant capacities of IVL DCM. (A) DPPH free radical scavenging activity of IVL DCM fraction (25–250 μg/mL). (B) ABTS• cation scavenging activity of IVL DCM fraction (25–250 μg/mL). Ascorbic acid was used as a reference. Values are expressed as means ± SEM (n = 3). These graphs were used to calculate EC50, as shown in Table 2.
