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Antioxidant activity assay (a) ABTS; (b) FRAP; (c) DPPH; (d) total phenolic contents (TPC) of different solvent fractions. Values are expressed as the average of three biological replicates. The bar graph denoted by the same letter shows absence of statistical difference, according to Duncan’s multiple range test (p < 0.05). (Hex, Hexane fraction; Chl, Chloroform fraction; EA, Ethyl acetate fraction; BuOH, Butanol fraction; H2O, Water fraction).
