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Table 1 The result of antioxidant activity of synthesised compounds using ferric reducing antioxidant power (FRAP)

From: Synthesis and antioxidant properties of 2-(3-(hydroxyimino)methyl)-1H-indol-1-yl)acetamide derivatives

Compounds Ferric ion (Fe3+) reducing antioxidant power in nm
50 μg/ml 75 μg/ml 100 μg/ml
3a 0.804* 0.820** 0.856*
3b 0.757* 0.764* 0.782*
3c 0.738* 0.759* 0.781**
3d 0.716 0.751** 0.802
3e 0.671** 0.690* 0.741**
3f 0.658* 0.673* 0.716**
3g 0.451** 0.476** 0.514*
3h 0.420* 0.431* 0.497*
3i 0.402** 0.425* 0.440
3j 0.814* 0.837* 0.863*
3k 0.792* 0.813** 0.850*
3l 0.590* 0.615* 0.631*
3m 0.612* 0.630* 0.657**
3n 0.620** 0.643* 0.683**
BHA 0.942* 1.136** 1.352*
TBHQ 0.956* 1.257* 1.394**
  1. *P < 0.05, **P < 0.01 as compared to blank and standard respectively; statistical analysis—one way ANOVA