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该文介绍了一种从银杏叶中提取黄酮苷类有效成分的改进方法。系采用脱脂棉吸附除去叶绿素以及纸浆共沉除去难于沉降的杂质。实验表明，此法能很好地除去叶绿素和其他脂溶性杂质，黄酮苷提取率为７３％。
This article describes an improved method for extracting the active ingredients of flavonoid glycosides from Ginkgo biloba leaves. Adsorption of cotton with a cotton wool to remove chlorophyll and pulp coprecipitation to remove difficult to settle impurities. Experiments show that this method can well remove chlorophyll and other fat-soluble impurities, flavonoid glycoside extraction rate was 73%.