中文摘要：

目的：测定峨眉产黄连药材的水分、灰分和浸出物,为建立峨眉产黄连药材质量标准提供依据。方法：按《中国药典》（2010版一部）对黄连中的水分、灰分及浸出物进行测定,并对浸出物的提取条件进行优化。结果：测得黄连药材水分11.68%-19.04%,总灰分2.51%-3.79%,酸不溶性灰分0.34%-1.48%,醇溶性浸出物量24.82%-36.14%。结论：峨眉产黄连药材水分不超过14%,总灰分不高于5%,酸不溶性灰分不高于1%,醇溶性浸出物量不低于15%。

英文摘要：

Obj ective：To determine the moisture,ashes,and extracts from the Coptidis Rhizoma for establishing of quality standards.Methods：According to the procedures recorded in Chinese Pharmacopoeia,published in 2010,moisture, ashes and extracts of samples were measured respectively.And the extraction conditions of extract was optimized.Results：The moisture in E’mei Coptidis Rhizoma was 11.68%-19.04%,the total ashes content was 2.51%-3.79%,the acid insoluble ash content was 0.34%-1.48%,and the content of ethanol extract was 24.82%-36.14%.Conclusion：The moisture in E’mei Coptidis Rhizoma was less than 14%,the total ashes content was less than 5%,with the acid insoluble ash content was less than 1%,the content of ethanol extract was not less than 1 5%.