A VALIDATED LC/MS/MS SOLUTION FOR THE ANALYSIS OF MYCOTOXINS IN CEREALS

Significance of the Topic

Mycotoxin contamination in cereals poses serious health risks and economic losses worldwide. Regulatory bodies such as the European Commission set strict limits for key toxins, driving the need for reliable analytical methods to ensure food safety and compliance.

Objectives and Study Overview

This work presents a fully validated liquid chromatography–tandem mass spectrometry (LC/MS/MS) protocol for simultaneous quantification of aflatoxins, fumonisins, ochratoxin A, deoxynivalenol, and zearalenone in corn, soft wheat, and hard wheat. The solution covers all steps from sample preparation through data analysis and supports regulatory conformity with EC regulations 401/2006, 1881/2006, 105/2010, and 165/2010.

Methodology and Instrumentation

Sample Preparation:

• Single-step extraction using a mixture of organic solvent and water for all cereal matrices.
• Simplified workflow reduces handling errors and labor time.

Instrumentation:

• Agilent 1260 Infinity UHPLC system with dedicated analytical column.
• Agilent 6460 Triple Quadrupole MS for selective and sensitive detection.

Main Results and Discussion

The method demonstrated:

• High recovery rates and precision consistent with EC mandates.
• Limits of detection (LODs) and quantification (LOQs) meeting regulatory requirements.
• Single-run determination of all target mycotoxins, enhancing laboratory throughput.

Validated performance ensures accurate quantitation across low concentration ranges typical of regulatory thresholds.

Benefits and Practical Applications

• Turnkey solution including hardware, software, SOPs, and training for seamless implementation.
• Applicable to quality control in food production, contract laboratories, and research institutions.
• Reduces time-to-result and operational complexity compared to multi-method approaches.

Future Trends and Possibilities

• Integration of high-throughput sample automation to further accelerate analysis.
• Expansion of analyte panels to emerging mycotoxins and modified forms.
• Adoption of data-driven quality assurance with advanced software for real-time decision making.

Conclusion

The validated LC/MS/MS solution offers a robust, efficient, and compliant approach for comprehensive mycotoxin screening in cereals. Its streamlined workflow and full support package facilitate rapid adoption in laboratories focused on food safety and quality assurance.