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This chapter provides a comprehensive overview of the chromatographic analysis of food preservatives, combining analytical, methodological, and regulatory perspectives. Preservatives such as benzoates, sorbates, nitrites, sulfites, and parabens are widely used to ensure food safety and extend shelf life, but their accurate quantification remains challenging due to the diversity of food matrices and strict international standards. The discussion highlights key chromatographic (HPLC, GC, LC-MS/MS) and extraction techniques, (SPE, SPME, QuEChERS, UAE, MAE), emphasizing their performance in terms of sensitivity, reproducibility, and environmental efficiency. The importance of method validation, in accordance with EFSA and ISO criteria, is emphasized to ensure accuracy, repeatability, and compliance. In addition, potential sources of analytical errors, such as cross-contamination, reagent instability, and instrument calibration issues, are examined alongside essential quality control procedures. Finally, this chapter explores future prospects in this field, focusing on artificial intelligence, automation, and high-resolution untargeted mass spectrometry for the detection of undeclared preservatives and degradation products. These technological innovations, combined with sustainable analytical strategies, pave the way for a new generation of traceable, reliable, and eco-efficient food preservative monitoring systems, contributing to global food safety and consumer protection.

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Challenges and Advances in Chromatographic Analyses of Food Preservatives

  • 章节

  • 发表日期：

    2026年

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  • Rachel Torkhani,
  • Samira Bejaoui,
  • Manel Haraketi,
  • Salwa Ben Aissa,
  • Uzair Ishtiaq,
  • Naceur M’Hamdi,
  • Bochra Bejaoui,
  • Patrick Martin

摘要

This chapter provides a comprehensive overview of the chromatographic analysis of food preservatives, combining analytical, methodological, and regulatory perspectives. Preservatives such as benzoates, sorbates, nitrites, sulfites, and parabens are widely used to ensure food safety and extend shelf life, but their accurate quantification remains challenging due to the diversity of food matrices and strict international standards. The discussion highlights key chromatographic (HPLC, GC, LC-MS/MS) and extraction techniques, (SPE, SPME, QuEChERS, UAE, MAE), emphasizing their performance in terms of sensitivity, reproducibility, and environmental efficiency. The importance of method validation, in accordance with EFSA and ISO criteria, is emphasized to ensure accuracy, repeatability, and compliance. In addition, potential sources of analytical errors, such as cross-contamination, reagent instability, and instrument calibration issues, are examined alongside essential quality control procedures. Finally, this chapter explores future prospects in this field, focusing on artificial intelligence, automation, and high-resolution untargeted mass spectrometry for the detection of undeclared preservatives and degradation products. These technological innovations, combined with sustainable analytical strategies, pave the way for a new generation of traceable, reliable, and eco-efficient food preservative monitoring systems, contributing to global food safety and consumer protection.