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应用主成分分析法,结合SPSS统计软件,对中药黄精中的微量元素特征进行了研究,以Pb、Cd、Al等微量元素为评价指标,对其质量进行了综合评价。结果表明,黄精中的微量元素对黄精的质量具有重要的作用和意义。
Principal component analysis (PCA) and SPSS statistical software were used to study the trace element characteristics of Polygonatum sibiricum. The trace elements such as Pb, Cd and Al were appraised as indexes, and their qualities were evaluated comprehensively. The results showed that the trace elements in Polygonatum sibiricum had an important effect on the quality of Polygonatum sibiricum.