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Changes in: (A) Ferric reducing antioxidant power (FRAP; mg AS g-1 DW); (B) 2,2′-azinobis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS; %); (C) 2, 2-diphenyl-2-picrylhydrazyl (DPPH; %). Treatments: C: control (0 g/L PEG 6000); PEG50 (50 g/L PEG 6000). Differences between values of the same trait that are labeled with the same letter are not statistically significant (p>0.05). Error bars represent standard error (± SE).
