Deoxynivalenol and nivalenol in wheat and by-products in Argentina.

The deoxynivalenol and nivalenol contamination in wheat and by-products obtained through milling was analized by Trucksess method slightly modified in the proportion of acetonitrile-water (3:1).Only one sample of wheat showed deoxynivalenol contamination, 1,200μg/kg.No samples obtained in different stages of the milling were contaminated with deoxynivalenol or nivalenol.In the commercial wheat flours the levels found ranged between 400 and 800μg/kg, as follows: 400μ/kg, 5 samples; 800jug/kg, 1 sample.