| 小鱼仙草微量元素含量的主成分和聚类分析 |
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| 引用本文： | 王薇,余陈欢,吴巧凤. 小鱼仙草微量元素含量的主成分和聚类分析[J]. 中华中医药杂志, 2011, 0(7): 1615-1618 |
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| 作者姓名： | 王薇 余陈欢 吴巧凤 |
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| 作者单位： | 浙江中医药大学; |
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| 基金项目： | 浙江省自然科学基金项目(No.Y2080313)~~ |
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| 摘 要： | 目的:研究不同产地小鱼仙草微量元素的含量及分布特征。方法:采用ICP-OES法测定不同产地小鱼仙草中各微量元素的含量,并采用主成分分析法和聚类分析法对测定结果进行特征分析。结果:经主成分分析得4个主因子,其累计方差贡献率达95.03%。第一主因子的方差贡献率为41.19%,故确定其所对应的Mn、Cu、Zn和Tl是小鱼仙草所含的特征元素。聚类分析将6个样品,基本按地域性聚为2组。结论:不同产地小鱼仙草的微量元素呈明显的选择性累积和地域特征。
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| 关 键 词： | 小鱼仙草 微量元素 聚类分析 主成分分析 |
Analysis of trace elements in Mosla dianthera Maxim.based on principal component and cluster analysis |
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| WANG Wei,YU Chen-huan,WU Qiao-feng. Analysis of trace elements in Mosla dianthera Maxim.based on principal component and cluster analysis[J]. China Journal of Traditional Chinese Medicine and Pharmacy, 2011, 0(7): 1615-1618 |
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| Authors: | WANG Wei YU Chen-huan WU Qiao-feng |
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| Affiliation: | WANG Wei,YU Chen-huan,WU Qiao-feng(Zhejiang Chinese Medical University,Hangzhou 310053,China) |
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| Abstract: | Objective: To study the contents and distribution of trace elements in Mosla dianthera Maxim.gathered from six habitats in Zhejiang.Methods: The trace elements of samples were determined by ICP-OES.The principal components analysis and cluster analysis using SPSS 13.0 software were applied to evaluate characteristic elements.Results: The results showed that Mn,Cu,Zn,and Tl were the characteristic elements in Mosla dianthera Maxim..It also showed that the samples could be clustered reasonably into two groups... |
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| Keywords: | Mosla dianthera Maxim. Trace element Cluster analysis Principal component analysis |
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