Antinociceptive Effect of the Essential Oil Obtained from the Leaves of Croton cordiifolius Baill. (Euphorbiaceae) in Mice

Figure 2

Effect of C. cordiifolius essential oil (CcEO; 50 and 100 mg/kg, i.p.) and morphine (M; 7.5 mg/kg, i.p.) in the nociception induced by intraplantar formalin injection. Results are expressed as mean ± SEM () with significance level set at . When compared to the vehicle (V) group in each phase; ^awhen compared to CcEO 50 mg/kg group in the first phase; ^bwhen compared to CcEO 50 mg/kg group in the second phase.