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Table 2 Inhibitory activities of Peltophorum africanum (PA),Clausena anisata (CA) andZanthoxylum capense (ZC) on the LPS-activated NO production in RAW 264.7 macrophages

From: The anti-inflammatory and antioxidant activity of 25 plant species used traditionally to treat pain in southern African

Samples

Concentration (μg/mL)

NO (μM)

% NO inhibition

% Cell viability

Peltophorum africanum

25

0.60 ± 0.02

92.32

66.64

12.5

0.39 ± 0.14

94.92

79.71

6.25

0.67 ± 0.42

91.33

65.71

3.12

1.97 ± 0.24

74.62

60.93

Clausena anisata

25

0.94 ± 0.07

87.86

3.43

12.5

0.38 ± 0.25

95.17

63.31

6.25

0.24 ± 0.14

96.90

71.29

3.12

0.55 ± 0.08

92.94

80.31

Zanthoxylum capense

25

1.06 ± 0.58

86.38

72.79

12.5

1.31 ± 0.51

83.16

90.14

6.25

2.94 ± 0.46

62.23

82.45

3.12

5.22 ± 0.67

32.88

79.24

Quercetin

25

0.35 ± 0.10

95.54

49.33

12.5

0.30 ± 0.08

96.16

60.69

6.25

0.69 ± 0.05

91.08

73.76

3.12

2.50 ± 0.48

67.93

73.10

  1. Values are expressed as mean ± SD