DEFINITION

Eucalyptus Oil is obtained by steam distillation and rectification from the fresh leaves or the fresh terminal branchlets of various species of Eucalyptus rich in 1,8-cineole. The species mainly used are Eucalyptus globulus Labill., Eucalyptus polybractea R.T. Baker, and Eucalyptus smithii R.T. Baker. It contains NLT 70.0% and NMT 95.0% of eucalyptol (1,8-cineole, C₁₀H₁₈O).