Essential oil of Zanthoxylum armatum leaves was analyzed by GC and GC/MS technique. Analgesic and anti inflammatory activities were studied by hot plate and carrageenan induced paw edema in rats. Twenty six components were identified accounting for 92.18% of the total oil. 2-undecanone (44.58%), linalool (14.53%), 2-tridecanene (7.98%) and 1,8-cineole (6.92%) were found as the major components. Significant anti-inflammatory and analgesic (P<0.05) activities were observed in the oil.
Keywords: Analgesic, anti-inflammatory, essential oil, hot plate, plethysmometer, Zanthoxylum armatum.