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DPPH free radical scavenging activity of a crude extract of Crinum macowanii. DPPH radical scavenging activity of Crinum macowanii and ascorbic acid. The data are the representative of three independent experiments. Values are mean ± SEM. The data were analyzed by two-way ANOVA followed by Bonferroni multiple comparisons test. CM versus AA, ∗P < 0.0001; CM versus AA, ##P < 0.0001.
