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Table 4 IC50 values of different antioxidant activities of ANM and its fractions

From: Phytochemical, antioxidant and hepatoprotective effects of Alnus nitida bark in carbon tetrachloride challenged Sprague Dawley rats

  IC50 (μg/ml)
Sample DPPH scavenging Hydroxyl scavenging Nitric oxide scavenging activity β-carotene bleaching scavenging activity Iron chelating assay
ANM 32.0 ± 1.8d 97.5 ± 2.9d 153.6 ± 4.0c 103.6 ± 4.2c 130.5 ± 4.1c
ANH 951.5 ± 4.3a 932.5 ± 3.3a 465.5 ± 2.8a 858.9 ± 3.8a 430.2 ± 3.9a
ANC 633.8 ± 3.9b 812.5 ± 2.9b 414.9 ± 2.8b 726.2 ± 4.7b 347.9 ± 2.2b
ANE 39.5 ± 2.1c,d 102.7 ± 3.3d 151.8 ± 3.1c 41.4 ± 1.9f 130.1 ± 0.8c
ANA 43.7 ± 2.9c 173.4 ± 2.0c 84.6 ± 3.7d 54.7 ± 4.4e 76.8 ± 4.5d
Rutin - 83.3 ± 4.2e - - -
Ascorbic acid 11.9 ± 0.5e - 56.9 ± 2.5e - -
EDTA - - - - 56.0 ± 1.7e
Catechin - - - 90.2 ± 2.3d -
  1. Values are presented as mean ± SD (n = 3). Means with different superscript (a–f) letters in the rows are significantly (P < 0.01) different from each other
  2. ANM A. nitida methanol extract, ANH A. nitida n-hexane fraction, ANC A. nitida chloroform fraction, ANE A. nitida ethyl acetate fraction, ANA A. nitida aqueous fraction