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Table 4 Inhibitory activities of ethanol extracts of medicinal plants on nitric oxide production and viability of LPS-activated RAW264.7 macrophages

From: In vitro pro-inflammatory enzyme inhibition and anti-oxidant potential of selected Sri Lankan medicinal plants

Plant name

Nitric oxide production (μM)

% NO inhibition

% Cell viability

Sphaeranthus indicus

31.11 ± 0.17

9.46 ± 0.21a,b

87.21 ± 0.50

Acronychia pedunculata

30.39 ± 0.07

11.56 ± 0.21b

89.76 ± 0.35

Calophyllum innophyllum

23.67 ± 0.27

31.12 ± 0.78c

88.89 ± 0.82

Symplocos cochinchinesis

22.50 ± 0.28

34.52 ± 0.78c

82.15 ± 0.31

Tinospora cordifolia

32.89 ± 0.24

2.40 ± 0.69a

94.56 ± 2.57

Flacourtia indica

21.28 ± 0.32

38.07 ± 0.93c

87.31 ± 0.50

Leucus zeylanica

33.11 ± 0.24

3.63 ± 0.69a

93.02 ± 0.67

Barathranthus nodiflorus

31.22 ± 0.25

9.13 ± 0.72a,b

87.11 ± 1.16

Diospyros ebenum

29.08 ± 0.29

15.36 ± 0.85d

85.43 ± 1.22

Argyreia populifolia

27.64 ± 0.15

19.56 ± 0.43d

86.10 ± 0.61

L-NMMA

0.97 ± 0.12

97.10 ± 0.56e

97.54 ± 0.47

  1. Data represented as mean ± SE (N = 3). Mean within each column followed by the same letter are not significantly different at p < 0.05. *Inhibition (%) at the assay concentration of 500 μg/mL