The smell is usually consists of monoterpenoids produced in Plant Secondary metabolism, and this kind of smell is considered to be Synthesized through two ways-Cytoplasm way and Cytoplast way.

• 这些气味一般都是属于次生代谢过程中的单格类化合物。产生这些气味目前认为是通过细胞质和细胞质体两种途径来合成的。