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电感耦合等离子体原子发射光谱法测定不同产地山银花金属元素主成分及其聚类分析

申丽娟1,丁恩俊2,谢德体1,*,陈 岗3,吴 振3   

  1. 1.西南大学资源环境学院,重庆 400716;2.西南大学图书馆,重庆 400716;3.重庆市中药研究院,重庆 400065
  • 出版日期:2014-01-25 发布日期:2014-02-19
  • 通讯作者: 谢德体
  • 基金资助:

    国家科技重大专项课题(2012ZX07104-003);“十二五”国家科技支撑计划项目(2012BAD15B04-3)

Principal Component Analysis and Cluster Analysis of Metal Elements in Flos Lonicerae from Different Areas Using Inductively Coupled Plasma-Atomic Emission Spectrometry

SHEN Li-juan1, DING En-jun2, XIE De-ti1,*, CHEN Gang3, WU Zhen3   

  1. 1. College of Resources and Environment, Southwest University, Chongqing 400716, China; 2. Library of Southwest University,
    Chongqing 400716, China; 3. Chongqing Academy of Chinese Materia Medica, Chongqing 400065, China
  • Online:2014-01-25 Published:2014-02-19
  • Contact: XIE De-ti

摘要:

采用电感耦合等离子体原子发射光谱仪,对全国7 个主要产地的26 个山银花样品中的10 种金属元素的 含量进行定量分析,应用主成分分析和聚类分析对山银花资源中金属元素进行评价。结果表明:Pb、As、Fe、 Ca、Zn、Mg、Mn、Cu、Cd、Cr的平均含量分别为0.25、0.065、77.9、3 277.1、31.0、2 244.7、319.9、14.6、 0.31、0.217 mg/kg;主成分分析得出3因子模型,可解释实验数据的88.58%;主成分分析将26 个山银花样品划分 为4 类,聚类分析显示了相似的结果。研究得出山银花中金属元素的含量分布特征,为山银花资源的品质评价和 质量控制提供实验依据。

关键词: 山银花, 金属元素, 主成分分析, 聚类分析, 电感耦合等离子体发射光谱

Abstract:

The contents of 10 metal elements (Pb, As, Fe, Ca, Zn, Mg, Mn, Cu, Cd and Cr) in 26 Flos Lonicerae samples
collected from 7 different main growing regions were determined by inductively coupled plasma-atomic emission
spectrometry. The metal elements in Flos Lonicerae were analyzed by principal component analysis (PCA) and cluster
analysis (CA). The results showed that the average contents of Pb, As, Fe, Ca, Zn, Mg, Mn, Cu, Cd and Cr in Flos Lonicerae
were 0.25, 0.065, 77.9, 3 277.1, 31.0, 2 244.7, 319.9, 14.6, 0.31 and 0.217 mg/kg, respectively. A three-factor model was
obtianed by PCA, which could explain 88.58% of the experimental data.Tweenty-six Flos Lonicerae samples were classified
into four groups by PCA, which were similar to CA results. The regional characterization of metal elements provided
references for quality evaluation and identification of Flos Lonicerae.

Key words: Flos Lonicerae, metal elements, principal component analysis, cluster analysis, inductively coupled plasmaatomic emission spectrometry

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