目的研究鱼腥草挥发油中主要化学成分在一天中日照时间段的含量变化情况，确定适宜的采收时间。

Objective:To study the content change of the main components of the essential oil from Houttuynia cordata Thunb. during daytime, and to ascertain the optimal harvesting time.

youdao

目的研究鱼腥草挥发油中主要化学成分在一天中日照时间段的含量变化情况，确定适宜的采收时间。

Objective:To study the content change of the main components of the essential oil from Houttuynia cordata Thunb. during daytime, and to ascertain the optimal harvesting time.

youdao