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Table 2 Total antioxidant capacities of various solvent fractions of the ethanol extract of Prunella vulgaris var. lilacina

From: In vitro antioxidant and anticancer effects of solvent fractions from prunella vulgaris var. lilacina

Solvent DPPH RH50 1) (ug/ml) FRAP value2) (m M/g) ABTS RC50 3) (ug/ml) SOD activity4) (%)
70% ethanol 73.05 ± 10.3c 1.07 ± 0.08ab 60.08 ± 3.19 87.74 ± 3.42
Hexane 1402.96 ± 194a 0.48 ± 0.09c 1469.12 ± 10.1a 23.80 ± 0.53
Butanol 83.52 ± 7.01c 0.95 ± 0.09bc 61.13 ± 4.23c 92.54 ± 0.32
Chloroform 521.58 ± 8.10b 0.65 ± 0.02bc 153.04 ± 0.58b 72.75 ± 3.91
Water 64.26 ± 2.22c 1.24 ± 0.12a 53.78 ± 2.60c 87.51 ± 3.20
a-tocoperol 12.82 ± 1.33 15.0 ± 26 7.54 ± 0.13 99.64 ± 2.45
  1. 1)Concentration of test sample required to produce 50% inhibition of the DPPH radical.
  2. 2)Expressed as mmol of Fe2+ equivalents per gram of dry plant weight.
  3. 3)Concentration of test sample required to produce 50% inhibition of ABTS radical.
  4. 4)Expressed as the superoxide inhibition rate of Prunella vulgaris var. lilacina ethanol extract and its fractions.
  5. Values are mean ± SEM. Values with different superscripts within same column are significantly different (p < 0.05).