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  • Title: Occurrence of fumonisins and aflatoxins in cereals from markets of Hebei Province of China.
    Author: Liu YP, Yang LX, Yang NJ, Dong B, Cao LL, Wang K, Yang LX.
    Journal: Food Addit Contam Part B Surveill; 2012; 5(3):208-11. PubMed ID: 24779788.
    Abstract:
    Fumonisins B₁, B₂ and B₃ (FB₁, FB₂ and FB₃) and aflatoxins B₁ (AFB₁), B₂ (AFB₂), G₁ (AFG₁) and G₂ (AFG₂) are both major mycotoxins of food concern, because of their wide range of concentration and possible co-occurrence. Therefore, a contamination survey in corn and wheat flour by liquid chromatography-tandem mass spectrometry was carried out. Quantification of fumonisins and aflatoxins was based on internal calibration (by the use of ¹³C₃₄-fumonisin) and external calibration, respectively. Fumonisins were detected in 95% of corn samples and in 7% of wheat flour samples, with the mean level (FB₁ + FB₂ + FB₃) of 441 µg kg⁻¹ and 0.09 µg kg⁻¹, respectively. Low levels of aflatoxins were detected in 37% of the samples with a mean level (B₁ + B₂ + G₁ + G₂) of 0.12 µg kg⁻¹. Fumonisins and aflatoxins were not detected in 29% of the samples analysed. Simultaneous occurrence of fumonisins and aflatoxins was observed in 12% of samples.
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