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Mycotoxins in oat flakes - changes during production and occurrence on the Czech market

Author

Listed:
  • Tomas Dropa

    (National Institute for Nuclear, Biological and Chemical (NBC) Protection, Milín, Czech Republic)

  • Zbynek Dzuman

    (Department of Food Analysis and Nutrition, University of Chemistry and Technology Prague, Prague, Czech Republic)

  • Petra Jonatova

    (Department of Food Analysis and Nutrition, University of Chemistry and Technology Prague, Prague, Czech Republic)

Abstract

Raw oats are frequently contaminated by fungi producing mycotoxins, and as such, they can pose a health risk to humans regularly consuming oat products. To reveal the effect of particular processing steps on contamination levels in final oat products, two series of samples obtained from an oat flake manufacturer were analysed. Among oat fractions treated, the most significant mycotoxin decrease was demonstrated in cleaning and dehulling steps, where the observed mycotoxin reduction was in the range of 13-75% for monitored mycotoxins, enniatin B, enniatin B1, HT-2 toxin, T-2 toxin, beauvericin and tentoxin. The overall mycotoxin reduction found in final oat flakes was in the range of 65-100%. Furthermore, 20 commercially available oat flakes from the Czech market were analysed. We detected 16 mycotoxins, mainly trichothecenes and emerging enniatins with levels in the interval of 1-156 μg kg-1. With regard to the current EU legislation, two analysed oat flake products exceeded the maximum limit for ochratoxin A.

Suggested Citation

  • Tomas Dropa & Zbynek Dzuman & Petra Jonatova, 2021. "Mycotoxins in oat flakes - changes during production and occurrence on the Czech market," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 39(2), pages 131-139.
    • Handle: RePEc:caa:jnlcjf:v:39:y:2021:i:2:id:247-2020-cjfs
    DOI: 10.17221/247/2020-CJFS
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    References listed on IDEAS

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    1. Ahmad Alshannaq & Jae-Hyuk Yu, 2017. "Occurrence, Toxicity, and Analysis of Major Mycotoxins in Food," IJERPH, MDPI, vol. 14(6), pages 1-20, June.
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