Table 1.
Effect of PSDE and PSNH in formalin-induced paw licking test.
| Group | Dose | Acute phase | Late phase | ||
|---|---|---|---|---|---|
| Licking time (s) | Inhibition (%) | Licking time (s) | Inhibition (%) | ||
| Control | 10 mL/kg | 84.40 ± 4.64 | 0.00 ± 0.00 | 59.00 ± 3.91 | 0.00 ± 0.00 |
| DS | 100 mg/kg | 58.00 ± 7.18∗ | 31.49 ± 9.71∗ | 12.20 ± 5.28∗ | 81.14 ± 7.44∗ |
| PSDE | 200 mg/kg | 71.00 ± 6.05 | 16.89 ± 7.51 | 31.00 ± 7.45∗ | 47.70 ± 10.60∗ |
| PSDE | 400 mg/kg | 63.20 ± 3.20 | 26.10 ± 3.67 | 23.60 ± 8.39∗ | 62.75 ± 11.97∗ |
| PSNH | 200 mg/kg | 64.20 ± 9.65 | 25.04 ± 11.01 | 32.40 ± 8.23∗ | 44.95 ± 12.95∗ |
| PSNH | 400 mg/kg | 59.80 ± 4.44∗ | 30.31 ± 4.53∗ | 25.40 ± 6.45∗ | 52.59 ± 9.24∗ |
All of the experimental values are denoted as mean ± SEM. ∗P < 0.05 versus control (Dunnett's t-test).