Deoxynivalenol is a trichothecene mycotoxin associated primarily with Fusarium grami-nearum (Gibberella zeae) and Fusarium culmorum. Fusarium graminearum is the more common species and may occur in warmer climates. Deoxynivalenol has been found in grains such as wheat, barley, oats, rye and maize but it has not received much attention in Africa. Consumption of grain contaminated with deoxynivalenol has been associated with outbreaks of acute disease involving nausea, vomiting, gastrointestinal upset, dizziness, diarrhea and headache in Asia (WHO, 2002).

Only one report of deoxynivalenol in foods is available from these African regions. In the Cameroon, deoxynivalenol was present in 12/15 maize samples at levels ranging from < 100-1,300 ng/g (Ngoko et al., 2001).

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