Group | Dose (mg/kg p.o.) | X1st PHASE (n˚) ± S.D. | X2nd PHASE (s) ± S.D. | Inhibition (%) | |
1st phase | 2nd phase | ||||
Control | - | 23.29 ± 1.20 | 325.75 ± 35.29 | - | - |
Morphine | 10a | 12.75 ± 2.87** | 12.50 ± 5.45*** | 45.26 | 96.16 |
Indomethacin | 20 | 18.64 ± 2.87* | 48.94 ± 5.45*** | 19.96 | 84.98 |
Aqueous extract | 190 | 20.76 ± 3.08 | 201.43 ± 7.89* | 10.86 | 38.16 |
380 | 19.35 ± 4.87 | 186.76 ± 2.23** | 16.92 | 42.67 | |
570 | 18.64 ± 2.09 | 85.50 ± 2.93*** | 19.97 | 73.75 | |
Methanol extract | 100 | 19.75 ± 8.63 | 284.00 ± 23.80 | 15.20 | 12.82 |
200 | 18.62 ± 2.22 | 142.67 ± 3.12** | 20.05 | 56.20 | |
Hexane fraction | 100 | 22.54 ± 4.30 | 293.07 ± 13.67 | 3.22 | 10.03 |
200 | 21.45 ± 5.38 | 291.63 ± 9.54 | 7.90 | 10.47 | |
Dichloromethane fraction | 100 | 20.48 ± 7.39 | 288.10 ± 3.82 | 12.07 | 11.56 |
200 | 20.40 ± 2.05 | 287.89 ± 8.67 | 12.41 | 11.62 | |
Ethyl acetate fraction | 100 | 19.75 ± 8.63 | 273.04 ± 23.80 | 15.20 | 16.18 |
200 | 18.54 ± 2.73 | 153.07 ± 15.12** | 20.40 | 53.01 | |
n-butanol fraction | 100 | 20.64 ± 5.20 | 278.80 ± 4.68 | 11.38 | 14.41 |
200 | 19.84 ± 4.32 | 260.79 ± 6.74 | 14.81 | 19.94 |