J4 ›› 2011, Vol. 10 ›› Issue (12): 32-34.
目的：测定云连药材的水分、灰分和浸出物，为建立云连药材质量标准提供依据。方法：按《中国药典》2010年版一部附录IX H 中水分测定法中的第一法、附录IX K灰分测定法和附录X A 浸出物测定法测定。结果：云连药材含水量不超过14.00%，总灰分不高于5.00%，酸不溶性灰分不高于（1.78±0.04）%，热浸法水溶性浸出物量不低于（24.42±0.25）%，热浸法醇溶性浸出物量不低于15.00%，挥发性醚浸出物含量不低于（3.39±0.08）%。结论：该方法简单、准确、重复性好，为建立云连药材质量标准提供了依据。
Objective: To determine the moisture, ashes, and extracts from the Coptidis rhizome for establishing the quality
standards. Methods: According to the procedures recorded in the Appendix IX H, IX K and X A of 2010 Chinese Pharmacopoeia,moisture, ashes, and extracts of samples were measured respectively. Results: The moisture of Coptidis was less than 14.00%; the total ashes was less than 5.00 %, with the acid insoluble ash content was less than（1.78±0.04）%; with hot soak method, the content of water extract was higher than（24.42±0.25）%, the content of ethanol extract was not less than 15.00%, the content of ether extract was higher than（3.39±0.08）%. Conclusion: The methods discribed above are simple, accurate and replicatable. They are suitable for moisture, ashes and extracts measurement.
摘要：
目的：测定云连药材的水分、灰分和浸出物，为建立云连药材质量标准提供依据。方法：按《中国药典》2010年版一部附录IX H 中水分测定法中的第一法、附录IX K灰分测定法和附录X A 浸出物测定法测定。结果：云连药材含水量不超过14.00%，总灰分不高于5.00%，酸不溶性灰分不高于（1.78±0.04）%，热浸法水溶性浸出物量不低于（24.42±0.25）%，热浸法醇溶性浸出物量不低于15.00%，挥发性醚浸出物含量不低于（3.39±0.08）%。结论：该方法简单、准确、重复性好，为建立云连药材质量标准提供了依据。
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