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Antioxidant activity using (A) DPPH represented by a line graph, (B) ABTS, FRAP, and ORAC assays, (C) metal chelating assay, and (D) anticholinergic activity (AChE and BChE) of the isolated compounds (A1-A4). µM: micromolar; TE: Trolox equivalent. Data are expressed as mean ± standard deviation of three replicates; Different letters on the bar indicate significant differences at P < 0.05 with Tukey’s test
