世界中医药Issue(10)：1594-1597,4.DOI:10.3969/j.issn.1673-7202.2015.10.037
珍珠和珍珠母的微量元素测定及其比较分析
Comparative Study of Trace Elements in Pearls and Nacres
摘要
Abstract
Objective:To comprehensively compare and detect the trace elements of pearls and nacres in the purpose of finding their differences.Methods:ICP-MS and ICP-OES were used to determine the 24 kinds of trace elements in 8 batches of pearls and 9 batches of nacres.The results were taken to principal component analysis (PCA)and orthogonal partial least squares-discrimi-nant analysis (OPLS-DA)by using SIMCA-P +13.0 software to analyze the distribution of the trace elements in the two drugs and also to detect the discriminatory constituents.Results:Among the 24 kinds of trace elements,16 were detected in both pearls and nacres.It was found that Ca was the most abundant one,which was followed by Na,Mn,Sr,Mg,and Fe.The scatter plot from PCA indicated that pearls and nacres can be easily discriminated,as is proved by the result from OPLS-DA,which showed that the most discriminatory element was Na.Conclusion:The study described the distribution and differences in the trace elements be-tween pearls and nacres,and provided important information for the differentiation of pearl powder and conch powder.This also can be taken as the reference to the quality control of the two drugs.关键词
珍珠/珍珠母/微量元素/PCA/OPLS-DAKey words
Pearl/Nacre/Trace element/PCA/OPLS-DA分类
医药卫生引用本文复制引用
李尚蓉,张静娴,姚帅,果德安,吴婉莹..珍珠和珍珠母的微量元素测定及其比较分析[J].世界中医药,2015,(10):1594-1597,4.基金项目
国家高技术研究发展计划（863计划）（编号2013AA093002）---“海洋传统药源生物（中药）资源开发利用” （）
