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Analysis of aflatoxins in various food and feed matrices-results of international validation studies

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Abstract

Collaborative studies were conducted to evaluate the effectiveness of analytical methods based on immunoaffinity column clean-up prior to high performance liquid chromatography (HPLC) for the determination of aflatoxin B1 and total aflatoxins at European regulatory limits in various food products (4 ng/g total aflatoxins, 2 ng/g aflatoxin B1), baby food (0.1 ng/g aflatoxin B1 in discussion) and feeding stuff (1 ng/g aflatoxin B1 in discussion).

The methods showed acceptable within-laboratory and between-laboratory precision for all matrices at these low levels for the determination of both, total aflatoxins and aflatoxin B1.

Zusammenfassung

Gemeinsame Arbeiten konnten durchgeführt werden, um die Wirksamkeit analytischer Methoden auf der Basis von Affinitätssäulen zu evaluieren. Hier wurde vor allem die Hochdruckflüssigkeitschromatographie (HPLC) zur Bestimmung von Aflatoxin B1 und Gesamtaflatoxinen nach den europäischen Regelwerten (Nahrungsmittel: 4 ng/g Gesamtaflatoxine und 2 ng/g Aflatoxin B1, Babynahrung: 0,1 ng/g Aflatoxin B1 als Richtwert in der Diskussion, Futtermittel: 1 ng/g Aflatoxin B1 in der Diskussion) für verschiedene Produkte überprüft. Die Methoden mit allen angewendeten Matrices lieferten akzeptierbare Ergebnisse sowohl bei Vergleichen innerhalb eines Labors als auch bei solchen aus verschiedenen Laboratorien.

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References

  1. Commission Regulation (98/53/EC) of 16. July 1998, Laying down the sampling methods and the methods of analysis for the official control of the levels for certain contaminants in foodstuffs. Official Journal of the European Communities, L201/93.

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  4. Stroka J, Anklam E, Jörissen U, Gilbert J (2000) Immunoaffinity column clean-up with liquid chromatography using post-column bromination for determination of aflatoxin B1 in baby food (infant formula): collaborative study. JAOAC Int in print

  5. Stroka J, Reutter M, von Holst C, Anklam E (2000) Immunoaffinity column clean-up with liquid chromatography using post-column bromination for the determination of aflatoxin B1 in animal feeding stuff: collaborative study. J AOAC Int submitted for publication

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Stroka, J., Anklam, E. Analysis of aflatoxins in various food and feed matrices-results of international validation studies. Mycotox Res 16 (Suppl 2), 224–226 (2000). https://doi.org/10.1007/BF02940043

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  • DOI: https://doi.org/10.1007/BF02940043

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