中国中药杂志

2003, (06)

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中药沙苑子品种鉴别及质量评价
Identification and Evaluation of TCM Shayuanzi

张玉杰,张建军,闫兴丽,张蕊,唐渝,刘颖
ZHANG Yu-jie, ZHANG Jian-jun, YAN Xing-li, ZHANG Rui, TANG Yu, LIU Ying (Beijing University of Traditional Chinese Medicine , Beijing 100102, China)

摘要(Abstract):

目的 :了解中药沙苑子品种情况 ,为建立沙苑子药材质量评价方法提供依据。方法 :运用TLC法和分光光度法对所收集的 2 2份市售沙苑子药材主要有效成分黄酮进行鉴别研究和总黄酮含量测定。结果 :市售沙苑子主要有 3种来源 ,豆科黄芪属植物扁茎黄芪、直立黄芪和紫云英 ,利用TLC法可使 3者较好的鉴别开来。样品中总黄酮含量在 0 .3%~ 1.0 %。结论 :市售沙苑子药材主流为扁茎黄芪同时偶有直立黄芪和紫云英混淆使用 ;TLC方法可以作为沙苑子药材鉴别的手段 ;扁茎黄芪总黄酮含量在 0 .33%~ 0 .82 %。
Objective: To understand the varieties of Shayuanzi on sale and establish the method for evaluating its quality. Method: 22 samples collected from all over the country were identified by TLC and the contents of total flavone in them were determined with UV. Result : All samples could be classified into three varieties, and they could be identified by TLC. The contents of total flavone in them were 0.3%~1.0%. Conclusion: Shayuanzi on sale mainly includes Astragalus complanatus , and there are A. adsuragen and A. sinicus as well. TLC is a better method for the identification of shayuanzi. The total flavone in A. complanatus is 0.33%~0.82%.

关键词(KeyWords): 沙苑子;品种鉴别;质量评价;TLC鉴别;总黄酮含量测定
Shayuanzi; identification; evaluation; TLC; total flavone

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基金项目(Foundation): 科技部国家重点科技项目中药现代化研究子课题沙苑子标准品制备 (99 92 9 0 1 2 9)

作者(Author): 张玉杰,张建军,闫兴丽,张蕊,唐渝,刘颖
ZHANG Yu-jie, ZHANG Jian-jun, YAN Xing-li, ZHANG Rui, TANG Yu, LIU Ying (Beijing University of Traditional Chinese Medicine , Beijing 100102, China)

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