1.,used hydrodistillation and GC method to obtain and determine menthone and menthol of volatile oils.
结果不同生长期苏薄荷含油量的积累具有规律。
2.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.