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广东省科学院测试分析研究所(中国广州分析测试中心),广东省化学测量与应急检测技术重点实验室,广东省中药质量安全工程技术研究中心,广东 广州 510070
吴惠勤,研究员,研究方向:中药物质基础研究,E-mail:13802959756@139.com
收稿日期:2025-07-09,
修回日期:2025-07-30,
纸质出版日期:2025-09-15
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刘畅,张春华,黄芳,周熙,罗辉泰,吴惠勤.基于电感耦合等离子体质谱法的化橘红产地鉴别方法研究[J].分析测试学报,2025,44(09):1964-1970.
LIU Chang,ZHANG Chun-hua,HUANG Fang,ZHOU Xi,LUO Hui-tai,WU Hui-qin.Analysis of Mineral Elements in Citrus Grandis Exocarpium from Different Geographical Origins Based on ICP-MS[J].Journal of Instrumental Analysis,2025,44(09):1964-1970.
刘畅,张春华,黄芳,周熙,罗辉泰,吴惠勤.基于电感耦合等离子体质谱法的化橘红产地鉴别方法研究[J].分析测试学报,2025,44(09):1964-1970. DOI: 10.12452/j.fxcsxb.25070902.
LIU Chang,ZHANG Chun-hua,HUANG Fang,ZHOU Xi,LUO Hui-tai,WU Hui-qin.Analysis of Mineral Elements in Citrus Grandis Exocarpium from Different Geographical Origins Based on ICP-MS[J].Journal of Instrumental Analysis,2025,44(09):1964-1970. DOI: 10.12452/j.fxcsxb.25070902.
该文基于电感耦合等离子体质谱法(ICP-MS)分析了广东化州、广西及湖南3个产地的化橘红矿物元素,并通过化学模式识别方法考察不同产地之间的差异,建立了化橘红产地鉴别方法。化橘红样品经硝酸微波消解后,采用ICP-MS测定了广东、广西、湖南3地30批化橘红样品中44种矿物元素的含量,其中广东与湖南相比,差异元素有37种;广东与广西相比,差异元素有26种。采用SIMCA-P 14.1软件对样品数据进行主成分分析(PCA)及正交偏最小二乘法-判别分析(OPLS-DA)。结果表明,3个产区的化橘红样本分别具有良好的聚类,模型稳定性好,预测能力强,且未出现过拟合现象。采用预测功能分析模型组与验证组样品的分组情况,准确度均达100%。该研究建立的化橘红产地鉴别方法,为道地药材产地溯源、市场流通监管提供了科学数据参考。
The inorganic elements in
Citrus grandis exocarpium
(Huajuhong) from Huazhou(Guangdong),Guangxi,and Hunan provinces were analyzed in this study by using inductively coupled plasma mass spectrometry(ICP-MS). Differences between the origins were investigated through chemical pattern recognition methods to establish an origin discrimination method for
Exocarpium Citri Grandis
. Following microwave-assisted digestion with nitric acid,the contents of 44 mineral elements in 30 batches of
Exocarpium Citri Grandis
samples from these three regions were determined by ICP-MS. Compared to Hunan samples,samples from Huazhou(Guangdong) exhibited differences in 37 elements; compared to Guangxi samples,differences were observed in 26 elements. Sample data were subjected to principal component analysis(PCA) and orthogonal partial least squares-discriminant analysis(OPLS-DA) using SIMCA-P 14.1 software. The results revealed distinct clustering of samples from the three producing regions. The models demonstrated good stability,strong predictive ability,and no overfitting. Grouping analysis of calibration set and validation set samples using the predictive function achieved 100% accuracy in both sets. This study establishes a discrimination method for
Exocarpium Citri Grandis
origins,providing a scientific basis for origin traceability of genuine medicinal materials and market supervision.
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