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.

原油中薄荷酮、异薄荷酮、、1,8-桉叶素、β-等均低于“73～8”。

Pinic acid is prepared from a-pinene and used as active component of fluxes in electronic industry.

α-为原料合成了酸,并应用于电子工业助焊剂中。