Determination of 25 Inorganic Elements in Tougucao from Different Origins and Areas by ICP-MS and Statistical Analysis

CHANG An; YANG Yan-yun; XU Liang; CHANG Xin; WANG Wei-ning; LI Zhong-yu; KANG Ting-guo

doi:10.13422/j.cnki.syfjx.2016050054

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Determination of 25 Inorganic Elements in Tougucao from Different Origins and Areas by ICP-MS and Statistical Analysis

更新时间：2024-01-04

- Determination of 25 Inorganic Elements in Tougucao from Different Origins and Areas by ICP-MS and Statistical Analysis
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 22, Issue 5, Pages: 54-59(2016)
- 作者机构：
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- DOI：10.13422/j.cnki.syfjx.2016050054
  CLC： O657.63;R284.1
- Published：2016
- 稿件说明：
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CHANG An, YANG Yan-yun, XU Liang, et al. Determination of 25 Inorganic Elements in Tougucao from Different Origins and Areas by ICP-MS and Statistical Analysis[J]. Chinese journal of experimental traditional medical formulae, 2016, 22(5): 54-59.
DOI：

CHANG An, YANG Yan-yun, XU Liang, et al. Determination of 25 Inorganic Elements in Tougucao from Different Origins and Areas by ICP-MS and Statistical Analysis[J]. Chinese journal of experimental traditional medical formulae, 2016, 22(5): 54-59. DOI： 10.13422/j.cnki.syfjx.2016050054.

摘要

目的: 建立电感耦合等离子体质谱(ICP-MS)法测定透骨草中Be

Se等25种无机元素的含量快速分析方法. 方法: 采用微波消解法处理样品

ICP-MS法

对18批次样品中25个无机元素进行测定

通过Mass Profiler Professional(MPP)

MPP软件对测定结果进行主成分分析和聚类分析. 结论: 各元素回归方程相关系数均>0.999

加样回收率为91.1%~106.3%;不同来源、不同产地透骨草无机元素含量有较大差异

各元素随原子序数顺序呈现有规律的波浪式分布

其平均含量按由高到低的顺序前5位的依次是K(19 970.00 μg ·g-1)

Ca(15 709.00 μg ·g-1)

Mg(3 531.50 μg ·g-1)

Al(1 755.50 μg ·g-1)

Fe(1 021.00 μg ·g-1);主成分分析结果表明Be

U为透骨草的特征无机元素;聚类分析将18批样品聚为2大类

广布野豌豆聚成一类;其他5种来源野豌豆聚成一类

说明广布野豌豆与其他5种野豌豆亲缘关系较远. 结论: 该法灵敏度高、准确性好

能同时检测多种无机元素

为中药透骨草药材的有效性、安全性评价及质量标准制订提供实验依据.

Abstract

Objective: To establish a rapid inductively coupled plasma-mass spectroscopy (ICP-MS) method for determing the content of 25 inorganic elements such as Be

As and Se in Tougucao. Method: Samples were treated by microwave digestion

and 25 inorganic elements in 18 batches of samples were determined with ICP-MS method. Principal component analysis and cluster analysis were done by Mass Profiler Professional(MPP). Result: The correlation coefficient values of regression equation were over 0.999 for various elements. The method exhibited a recovery range of 91.1%-106.3%. There was great difference in content of inorganic elements in Tougucao from different origins and areas

and the elements presented regular wave type distribution with the atomic number order. The top five elements with high average content were as follows from high to low:K(19 970.00 μg · g-1)

Ca(15 709.00 μg · g-1)

Mg(3 531.50 μg · g-1)

Al(1 755.50 μg · g-1)

and Fe(1 021.00 μg · g-1). Principal component analysis results showed that Be

Tl and U were the characteristic inorganic elements of Tougucao. In clustering analysis

18 batches of samples were clustered into 2 categories

Vicia cracca clustered into one category;and the other five sources of Vicia clustered into another category

indicating that V. cracca had a far genetic relationship with other five types of Vicia. Conclusion: This determination method provides a high sensitive and accurate way to simultaneously determine multiple inorganic elements and provides experimental basis for evaluation of effectiveness and safety as well as quality standard establishment of Tougucao.

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