Multi-year monitoring of canadian grains and grain-based foods for trichothecenes and zearalenone

摘要

Monitoring of Canadian grain crops and foods by the Health protection Branch for deoxynivalenol (DON), Vomitoxin) has been undertaken every year since 1980, When it was found in Ontairo soft wheat for the first Time (in the 1979 and 1980 crops). Contamination of This wheat crop has varied, with 22-100/100 incidences in All but 1 year and up to 0.75. μg/g for the annual means Of positive samples. The Canadian guideline for DON is 2 μg/g in uncleaned soft wheat. Western Canadian hard wheat had <10/100 incidence of DON in 7 crop years but 11-43/100 of samples analysed in 10 other years were positive.