Research Article

Evaluation of Analgesic and Anti-Inflammatory Activity of Chloroform and Methanol Extracts of Centella asiatica Linn

Table 5

Protective effect of Centella asiatica extracts (methanol and chloroform) on tail withdrawal reflexes induced by tail clip method in mice.

Drugs (dose)MethanolChloroform
Before treatment (sec)After treatment (sec)% InhibitionAfter treatment (sec)% Inhibition

Control (saline) 0.00 0.00
Dextropropoxyphene (65 mg/kg) 61.82 61.82
Extract (50 mg/kg) 2.18 16.77
Extract (100 mg/kg) 44.86 45.89
Extract (200 mg/kg) 51.26 55.03

Values are mean ± SEM ( ). Differences in groups were analyzed by one-way analysis of variances (one-way ANOVA) followed by Bonferroni posttest. a and b represented highly significant compared to control.