Abstract Essential oils from leaves and fruits of Heracleum candolleanum were obtained by hydrodistillation and analyzed by GC and GC/MS. The major components in the leaf oil were sabinene (13.2%), limonene (9.2%), Î²-caryophyllene (8.6%) and caryophyllene oxide (8.4%), whereas the major constituents in the fruit oil were limonene (70.0%) and octyl acetate (7.2%).