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2000
Volume 22, Issue 1
  • ISSN: 1573-4110
  • E-ISSN: 1875-6727

Abstract

Objective

The use of microwave digestion coupled with inductively coupled plasma mass spectrometry (ICP-MS) to measure the content of metal elements in L. var. from different regions serves as a reference for tracing its origin and provides a basis for quality control and safety assessment of its heavy metal content.

Methods

After microwave digestion of samples, metal element contents from different regions were determined using ICP-MS, with methodological investigations conducted. A diverse statistical analysis was performed to explore the relationship between geographical distribution of and metal element contents. Additionally, safety assessments were conducted using single factor pollution index and Nemerow comprehensive pollution index methods for several heavy metal elements.

Results

The contents of elements such as Mg, Fe, and Al are relatively high in . Characteristic differences in elements like Al, Ni, Mg, Cr, Sr, and Zn among samples from different regions are evident. Principal component analysis (PCA) indicates that samples from Sichuan Province can be clustered by origin. Elements including Ni, Co, Al, As, Cu, and Fe may contribute significantly to distinguishing from different regions. Pollution assessments for several heavy metals conclude that samples are safe and clean.

Conclusion

The ICP-MS method is rapid and accurate, capable of simultaneous measurement of multiple metal elements in . Combined with multivariate statistical analysis, it facilitates origin tracing studies of from various regions, particularly enabling effective differentiation of those from Sichuan Province.

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Effective Classification of Citrus medica L. Var. Sarcodactylis from Different Origins by ICP-MS
Current Analytical Chemistry 22, 101 (2026); https://doi.org/10.2174/0115734110346909241021042543
/content/journals/cac/10.2174/0115734110346909241021042543
/content/journals/cac/10.2174/0115734110346909241021042543
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  • Article Type:     Research Article
Keyword(s): Citrus Medica L. var. sarcodactylis; ICP-MS; metal elements; multivariate statistical analysis; origin tracing; safety assessment

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