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期 刊 ：中国中药杂志 1989年 14卷 10期 页码：20.

关键词：杜仲；炮制；微量元素；

Keywords:Eucommia ulmoides, processing, trace element,

摘 要 ：比较了杜仲及其炮制品中锌、锰、铜、铁、钙、磷、铅等7种微量元素的含量。并依此实验结果对杜仲炮制意义进行讨论。

Abstract:A comparison of the contents of 7 trace elements (Zn, Mn, Cu, Fe, Ca, P, Pb) in Eucommia ulmoides and its processed products has been made, and the significance of processing Eucommia ulmoides is discussed in light of the experimental results.

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