摘要
研究了溶剂精制银杏叶粗提取物的工艺.粗提物经溶剂溶解精制,总黄酮含量达24%,黄酮收率>95%,指标接近超滤除杂、树脂吸附制备提取物的工艺.
The refining process of Ginkgo biloba leaves extracts in the presence of solvent were studied and compared with ultrafiltration purification process.The results showed that both of them could obtain high quality extracts.The content of total flavonoids was up to 24%,and the refining recovery of total flavonoids was more than 95%.
