Table 6.
Analgesic effect of the PEE and ME from S. bicolor aerial parts determined via a hot plate test.
| Group | Pre-drug treatment | After 1 h | After 2 h | ||
|---|---|---|---|---|---|
| M ± SD | M ± SD | % of change | M ± SD | % change | |
| Control saline | 20 ± 0.97 | 21.85 ± 0.21 | -- | 20.85 ± 2.1 | --- |
| PEE a | 20.68 ± 0.47 | 27.85 ± 0.86 | 34.7 ± 1.3 | 32.6 ± 2.1 | 57.6 ± 1.6 |
| ME a | 19.33 ± 2.4 | 30.85 ± 0.49 | 59.6 ± 1.67 | 32.48 ± 2.2 | 68 ± 1.5 |
| Indomethacin b | 18.33 ± 0.69 | 23.5 ± 1.66 | 28.2 ± 1.66 | 28.9 ± 1.4 | 57.7 ± 1.2 |
M ± SD: mean of three experiments ± standard deviation; % change: calculated as significant changes from pre-drug treatment values. a Dose: 50 mg/kg b. wt. b Dose: 10 mg/kg b. wt.