Groups N = 5 animals | Doses (g∙kg−1b∙wt) | Mean of writhes number ± S.E.M. | Writhes inhibition (%) |
NaCl | - | 22.20 ± 3.63 | - |
NaCl + acetic acid | - | 49.41 ± 2.61*** | - |
Piroxen | 20 | 06.20 ± 1.30*** | 72.07 |
Aqueous extract+ acetic acid | 200 | 15.20 ± 0.84*** | 31.53 |
Ethanolic extract+ acetic acid | 200 | 13.00 ± 2.24*** | 41.44 |