Defi nition: Essential oil obtained by steam distillation of the ripe fruits of Foeniculum vulgare Miller, ssp. vulgare var. vulgare. Content: fenchone: 12–25%, trans-anethole: 55–75%.
Defi nition: Cassia oil is obtained by steam distillation of the leaves and young branches of Cinnamomum cassia Blume (Cinnamomum aromaticum Nees).