Definition: Cassia oil is obtained by steam distillation of the leaves and young branches of Cinnamomum cassia Blume (C. aromaticum Nees).
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- 本品为樟科植物肉桂Cinnamomum cassia Blume (C.;aromaticum Nees)的树叶和嫩枝经水蒸气蒸馏提取得到的挥发油。