本文报告了构叶总黄酮甙的提取分离方法。

The method of extracting and isolating flavonoids from Leaves of Broussonetia Papyrifera (L)Vent was reported.

youdao

用本法提得的构叶总黄酮甙含量约为0.22%。

Flavooids extracted from the Leaves amount to about 0.22%.

youdao

结果：各类银杏叶总黄酮含量有着相似的变化规律。

Result: There was a similar changing rule of content for the total flavonoids of Ginkgo leaves.

youdao