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Table 3 IC 50 value and percentage inhibition of the DPPH radical scavenging assay

From: PASS-predicted Vitex negundo activity: antioxidant and antiproliferative properties on human hepatoma cells-an in vitro study

μg/ml Max. inhibition% ± SEMa
VN BHT Gallic acid Ascorbic acid
3.125 2.35 ±0.07 13.05 ±0.07 48.4 ± 0.01 15.1 ±0.14
6.25 2.58 ± 0.4 29.15 ±0.21 89.3 ±0.51 21.24 ±0.86
12.3 43.5 0.47 44.5 ±0.07 89.1 ±1.27 48.06 ±1.18
25 64.2 ±0.94 66.32 ±0.96 89.17 ±1.65 82.09 ±1.09
50 79.43 ±1.3 82.53 ±1.7 89.51 ±1.14 90.65 ±1.34
IC50 b value μg/l ± S.E.M 13.31 ± 0.18 13.8 ± 0.14 3.1 ± 0.08 12.9 ± 0.12
  1. aSEM: standard error of the mean. bIC50: 50% effective concentration. IC50 is determined by using Masterplex 2010 software (5Parameters logistics).