OBJECTIVE: To study conditions and methods of extractive Leonurine by ultrasound.
目的：探讨用超声波提取法提取益母草总碱的条件。
Leonurine, about 0.05%; small amount during the early stages of blooming, then gradually increases.
益母草全草含益母草碱，约0.05%(花初期含微量，花期中逐渐增高)。
Leonurine, about 0.05%; small amount during the early stages of blooming, then gradually increases.
益母草全草含益母草碱，约0.05%(花初期含微量，花期中逐渐增高)。
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