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Recent advances in analytical methods for mycotoxins

J Gilbert1

  • 1Ministry of Agriculture, Fisheries and Food, Food Science Laboratory, Norwich Research Park, Colney, UK.

Food Additives and Contaminants
|January 1, 1993
PubMed
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Analytical methods for mycotoxins have advanced, particularly immunoassays for aflatoxins, enabling rapid screening and cleanup. While HPLC remains key for trichothecenes, advanced techniques show future potential.

Area of Science:

  • Analytical Chemistry
  • Food Safety
  • Mycotoxicology

Background:

  • Mycotoxins like aflatoxins and trichothecenes pose significant risks to food safety and human health.
  • Accurate and efficient analytical methods are crucial for their detection and control.

Purpose of the Study:

  • To review recent advancements in analytical methods for mycotoxin detection.
  • To compare the impact of new techniques on aflatoxin and trichothecene analysis.

Main Methods:

  • Review of analytical techniques including immunoassays, High-Performance Liquid Chromatography (HPLC), Gas Chromatography (GC), and Mass Spectrometry (MS).
  • Focus on methods for aflatoxins and trichothecenes, highlighting immunoaffinity columns and post-column derivatization.
  • Discussion of automation possibilities and emerging sophisticated techniques like LC/MS and SFC/MS.

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Main Results:

  • Immunological methods have significantly advanced aflatoxin analysis, enabling simple screening and rapid cleanup, with potential for automation.
  • Immunological methods have had less impact on trichothecene analysis compared to aflatoxins.
  • Post-column derivatization enhances HPLC detection for both aflatoxins and trichothecenes.
  • HPLC and GC are favored for trichothecene determination, with improved cleanup methods.
  • Advanced techniques like MS and SFC/MS show potential but have limited current impact.

Conclusions:

  • Immunoassays represent a major breakthrough for aflatoxin analysis, offering speed and specificity.
  • While HPLC and GC remain workhorses, ongoing developments in derivatization and cleanup enhance trichothecene detection.
  • Sophisticated techniques like mass spectrometry hold promise for future mycotoxin analysis but require further development for widespread adoption.