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Table 2 ABTS radical scavenging activity of the alcoholic and aqueous extracts of Z. mucronata subsp. mucronata

From: Phenolic content and antioxidant property of the bark extracts of Ziziphus mucronata Willd. subsp. mucronata Willd

 

% inhibitions of ABTS + ± SD at different concentrations of the extracts

 

Extracts

0.02 (mg/ml)

0.04 (mg/ml)

0.06 (mg/ml)

0.08 (mg/ml)

0.1 (mg/ml)

IC50 (mg/ml)

Aqueous

23.95 ± 0.02a

43.49 ± 0.06b

72.96 ± 0.02c

82.05 ± 0.03d

88.96 ± 0.02e

0.0429 ± 0.04

Acetone

42.13 ± 0.05a

52.47 ± 0.03b

75.64 ± 0.04c

92.48 ± 0.04d

97.71 ± 0.03e

0.0317 ± 0.04

Ethanol

43.10 ± 0.03a

54.85 ± 0.04b

82.76 ± 0.04c

93.76 ± 0.02d

95.73 ± 0.02e

0.0306 ± 0.04

BHT

33.31 ± 0.02a

54.27 ± 0.02b

79.06 ± 0.02c

91.05 ± 0.05d

93.47 ± 0.03e

0.0343 ± 0.02

  1. Data are presented as means ± standard deviation of three replicate with significant increases from all samples tested. Superscript a, b, c, d and e showed that means ± standard deviation in the same row with different superscript are significantly different (p < 0.05)