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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