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对贵州5种主要苦丁茶植物中黄酮类化合物进行了薄板层析研究，用HPLC对黄酮醇类进行了定量，与银杏叶进行了对比．分析结果表明：贵州主要要苦丁茶植物中黄酮含量丰富：一些种的黄酮甙元含量和银杏叶相当．这表明，苦丁茶是一类有开发前景的药用植物．
Flavonoids from five main plants of Kudingcha in Guizhou Province were studied by TLC. Flavonols were quantified by HPLC and compared with that of Ginkgo biloba. The results showed that the content of flavonoids in the main plants of Guizhou kudingcha was rich: the content of flavonoid glycosides in some species was similar to that of Ginkgo biloba. This shows that Kudingcha is a kind of medicinal plants with development prospects.