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Table 3 EC50 values of different antioxidant activities of extract and derived fractions of A. hydaspica

From: Evaluation of antioxidant, anti-hemolytic and anticancer activity of various solvent extracts of Acacia hydaspica R. Parker aerial parts

EC50 values
Sample DPPH radical Superoxide radical Hydroxyl radical Hydrogen peroxide radical ABTS radical Iron chelating power β-carotene bleaching inhibition Total antioxidant index at 250 μg/ml Lipid peroxidation inhibition
AHM 19.5 ± 0.43a 43.0 ± 0.37b 39.0 ± 0.44a 40.3 ± 0.26a 193 ± 0.26d 41.7 ± 0.34a 86.4 ± 0.62d 1.6 ± 0.69b 156.1 ± 0.76d
AHH 46.5 ± 0.55b 59.3 ± 0.36c 42.3 ± 0.29b 80.6 ± 0.43c 401 ± 0.23e 91.7 ± 0.17b 173.5 ± 0.85d 1.2 ± 0.35c 562.3 ± 0.55g
AHE 18.0 ± 0.45a 38.3 ± 0.40a 35.7 ± 0.40a 37.2 ± 0.36a 173 ± 0.11c 40.3 ± 0.21a 48.4 ± 0.55b 1.7 ± 0.61b 61.3 ± 0.52c
AHC 65.0 ± 0.36c 90.8 ± 0.55d 63.0 ± 0.09c 115.6 ± 1.51d 600 ± 0.26e 130.1 ± 0.17d 260.6 ± 1.05f 0.7 ± 0.73e 467.3 ± 0.60f
AHB 16.7 ± 0.43a 49.0 ± 0.41b 33.0 ± 0.16a 42.0 ± 0.11a 98.0 ± 0.12a 39.0 ± 0.26a 66.2 ± 0.72c 1.7 ± 0.41a 50.0 ± 0.61b
AHA 39.5 ± 0.51b 46.3 ± 0.52b 47.0 ± 0.12b 68.1 ± 0.36b 478 ± 0.12e 103.0 ± 0.12c 131.6 ± 1.15e 1.3 ± 0.14e 401.1 ± 0.12e
AA 15.0 ± 0.41a - - 35.0 ± 0.21a 61.0 ± 0.21b - - 1.8 ± 0.24b -
GA - 32.3 ± 0.28a 29.0 ± 0.16a - - - - - 43.5 ± 0.86a
C - - - - - 37.7 ± 0.3a 40.4 ± 1.01a - -
BHA - - - - - -   - 59.3 ± 0.98c
BHT - - - - - - 50.11 ± 0.59b -  
  1. Values are expressed as Mean ± SEM (n = 3). Means with superscripts with different letters in the column are significantly (P <0.05) different from each other. - indicate not determined, AHM A. hydaspica methanol extract, AHH n-hexane fraction, AHE ethyl acetate fraction, AHC chloroform fraction, AHB n-butanol fraction, AHA aqueous fraction, AA Ascorbic acid, GA Gallic acid, C Catechin, BHA butylated hydroxy anisole, BHT butylated hydroxy toluene. (Completely Randomized AOV followed by Tukey HSD All-Pairwise Compariso Test)
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