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. 2020 Mar 16;13(3):46. doi: 10.3390/ph13030046

Figure 1.

Figure 1

Comparative evaluation of antioxidant activity by the ABTS assay of the crude extracts (A) and fractions (B) of Buchenavia tetraphylla leaves. BTHE: hexane extract; BTCE: chloroform extract; BTEE: ethyl acetate extract; BTME: methanolic extract; BTFA: Fraction A; BTFB: Fraction B; BTFC: Fraction C; BTFD: Fraction D; BTFE: Fraction E; BTFF: Fraction F; BTFG: Fraction G; BTFH: Fraction H; BTFI: Fraction I. In each graph, values with significant differences (p < 0.05) are indicated by different superscript letters (a, b, c). The results are expressed as the mean ± standard deviation calculated from three independent assays performed in triplicate (n = 3).