Defi nition: Clove oil is obtained by steam distillation of the dried fl ower buds of Syzygium aro- maticum (L.) Merill et L. M. Perry (Eugenia caryophyllus C. Spreng. Bull. et Harr.).
Defi nition: Cassia oil is obtained by steam distillation of the leaves and young branches of Cinnamomum cassia Blume (Cinnamomum aromaticum Nees).