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Table 6 Hydrogen peroxide scavenging assay of extracts

From: In vitro antioxidant and free-radical scavenging activities of polar leaf extracts of Vernonia amygdalina

Conc. μg/ml

H2O extract

MeOH extract

EtOH extract

AA

A

%

IC50

A

%

IC50

A

%

IC50

A

%

IC50

50

0.453

27.87

180.6

0.322

48.73

141.6

0.399

36.46

156

0.231

63.22

112

100

0.359

42.83

0.287

54.3

0.308

50.96

0.199

68.31

150

0.338

46.18

0.241

61.62

0.298

52.55

0.152

75.8

200

0.305

51.43

0.205

67.36

0.244

61.15

0.117

81.37

250

0.268

57.32

0.198

68.47

0.207

67.04

0.079

87.42

300

0.219

65.13

0.186

70.38

0.198

68.47

0.047

92.52