目的：对益母草中总黄酮进行提取和鉴别。
Objective: to extract and distinguish the total flavanone from the leonurus.
目的观察中药益母草的遗传毒性和抗诱变作用。
Objective to observe the genetic toxicity and anti-mutation effect of Herba Leonuri.
目的：探讨用超声波提取法提取益母草总碱的条件。
OBJECTIVE: To study conditions and methods of extractive Leonurine by ultrasound.
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