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目的研究藤茶即葡萄科蛇葡萄属植物显齿蛇葡萄的化学成分。方法对藤茶及该属植物的研究进展进行资料收集和整理确定其有效成分及药理作用，以及有效成分的性质，并采用系统溶剂法和色谱法对其进行提取分离研究。结果通过对所得化合物的显色反应、紫外光谱测定和薄层色谱鉴定、熔点测定，综合进行结构解析，确定了化合物玉、化合物域的结构分别为杨梅素和蛇葡萄素。结论本文为提取纯化工艺指明了方向，并为进一步将其开发成中药新药提供充分的实验依据。“,”Objective To shudy the chemical constituents of Ampelopsisgrossedentata.Methods On Vine tea and the progress of the study to col ect and col ate information on its composition and ef ective pharmacological ef ects,and ef ective components of the nature and adopt the system solvent and chromatography separation from their research.Results Through the compound from the color reaction,UV determination and identification of TLC,melting point determination,comprehensive structural analysis to determine the compoundⅠ,the structure of compoundsIIwere Myricetin and Ampeloptin.Conclusion For the extraction and purification of this paper pointed out the direction and to further its development into new drugs of Chinese medicine to provide adequate experimental basis.