menthone

,used hydrodistillation and GC method to obtain and determine menthone and menthol of volatile oils.

结果不同生长期苏含油量的积累具有一定规律。

Moreover, those impurities, as menthone, isomenthone, limonene, 1, 8-cineol and bata-pinene contents of Hai-Xuan mint are lower than that of 73-8mint.

原油中、异、柠檬、1,8-桉叶素、β-蒎等均低于“73～8”。