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Table 1 Antioxidant reducing power and EC50 values obtained in DPPH assay, and total phenolic compounds

From: Antioxidant and vasorelaxant activities induced by northeastern Brazilian fermented grape skins

Samples DPPH TP
(μg of GAE / mg of DW)
EC 50
(μg of ext. / μg of DPPH)
ARP
-AA- 0.50 ± 0.05 2.00 -
-FGS- 1.10 ± 0.14 * 0.91 185.53 ± 14.73
-UGS- 1.91 ± 0.42 **; # 0.52 25.29 ± 0.30 ##
  1. Mean values ± SEM of triplicate are shown. (AA), Ascorbic Acid; (FGS), Fermented Grape Skin; (UGS), Unfermented Grape Skin; (−), Not Analyzed. * significant when compared to AA, P < 0.05; ** significant when compared to AA, P < 0.01; # significant when compared to FGS and AA, P < 0.05; ## significant when compared to FGS, P < 0.05