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Antioxidant activities of AS at different concentrations (A) DPPH radical scavenging activity of AS and VC. (B) Ferrous ion-chelating rate of AS and EDTA-2Na. (C) Hydroxyl radical scavenging activity of AS and VC. (D) Reducing power of AS and VC. Data are shown as the mean ± SD (n = 3) (Supplementary Table 4).
