Research Article

Evaluation of Analgesic Activity of Papaver libanoticum Extract in Mice: Involvement of Opioids Receptors

Table 6

Analgesic activity of PLE by acetic acid induced writhing in mice.

GroupNumber of writhes (mean ± SEM)Reduction in writhes count (%)

Control (acetic acid 1%)59.6 ± 6.50%
Diclofenac 10 mg/kg29.6 ± 3.950%
Morphine 5 mg/kg3.2 ± 0.895%
PLE 100 mg/kg (prior 30 min)25.4 ± 357%
PLE 100 mg/kg (prior 3 hrs)31.6 ± 347%
Naloxone + PLE (prior 30 min)23.4 ± 2.461%

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