英语语法分析

Leonurus herbal regulates menstruation and arrest leucorrhoea.

益母草药，调经止带。

Objective: to extract and distinguish the total flavanone from the leonurus.

目的：对益母草中总黄酮进行提取和鉴别。

Conclusion Compound 1 and 2 are isolated from Leonurus genus for the first time.

结论化合物1和2为首次从该属植物中分离得到。