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Table 2 Effect of aqueous and methanol extract of V. tessellata leaves in hot plate test

From: Antinociceptive and cytotoxic activities of an epiphytic medicinal orchid: Vanda tessellata Roxb.

Treatment

Dose (mg/kg)

Reaction time (sec)

0 min

15 min

30 min

45 min

60 min

Control (Saline water)

10

3.48 ± 0.58

6.05 ± 0.30

5.43 ± 0.54

5.95 ± 0.87

5.36 ± 0.55

Diclofenac Na

10

4.96 ± 0.34

11.37 ± 1.61*

13.97 ± 0.85**

14.90 ± 1.02*

16.23 ± 1.66**

VTA

200

4.15 ± 0.61

8.66 ± 2.16

9.74 ± 1.41*

11.20 ± 0.96*

11.77 ± 0.81**

VTA

400

3.36 ± 0.88

10.15 ± 1.18*

10.64 ± 2.58

12.73 ± 1.09**

13.39 ± 0.64*

VTM

200

2.91 ± 0.41

9.47 ± 2.00*

9.79 ± 0.89*

10.29 ± 1.52

11.36 ± 0.63*

VTM

400

3.69 ± 0.31

10.68 ± 1.11

11.95 ± 0.85*

12.61 ± 0.32*

12.37 ± 0.51**

  1. Values are expressed as mean ± SEM; (n = 5). *p < 0.05, **p < 0.01 as compared with control. Data were processed with Dunnet’s test for multiple comparisons, GraphPad Prism for Windows, Version 6.0. VTA = V. tessellata aqueous extract, VTM = V. tessellata methanol extract.