Abstract
Monitoring results of food grain contamination with fusariotoxins–deoxynivalenol (DON), zearalenone (ZEN), fumonisins (FB1&FB2), T-2 and HT-2 toxins–are presented. Harvests of 2005–2010 in different regions of Russia were investigated. The occurrence of DON in wheat was 8%, barley 9%, oats 4%, rye 2% and maize 2%. The highest frequency of ZEN contamination was found in oats, the lowest in wheat. Calculated average daily intake of DON varied from 0.066 to 0.096 µg/kg body weight, the highest being found in the Southern region, but substantially lower than the provisional maximum tolerable daily intake. The results of enzyme-linked immunosorbent assay and high-performance liquid chromatography–mass spectrometry analysis demonstrated the presence of T-2 toxin in 14% and HT-2 toxin in 17% of all samples. The maximum level of T-2 toxin was exceeded only in one sample of barley. Relatively high frequency and levels of FB1&FB2 contamination were found in maize.
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