A method was developed to determine hesperetin,rutin and quercetin in ginkgo biloba L.

建立了一种利用毛细管电泳测定银杏叶片橙、丁和槲的方法。

Crude extracts were extracted from Sophra japonica L.with 75 % alcohol.Rutin was obtained from the crude extracts by alkine extraction and acid precipitation.

用75%乙醇提取了槐具有抗氧化活性的粗提物,然后通过碱提酸沉法从该粗提物提取了丁,并制备了丁的水解产物槲。