People who drink more than a liter of beer are exposed to toxic metabolites that contain concentrations of DON and HT-2 that often exceed safety levels.

Mycotoxins are toxic metabolites produced by fungi that contaminate fruits, cereals and derivative products. The average concentrations of DON and HT-2 detected in beers approached 30 µg/L.
There is no maximum legal limit of mycotoxins in these drinks, but in general this value is considered low if compared to the maximum DON limit established by EU legislation for cereal-based foods, set at 200 µg DON/kg.
The study highlights that in people who drink a lot of beer, the contribution of these harmful substances to daily intake "is not negligible, approaching or even exceeding the safety levels."
One liter a day of the brands of beer that showed the highest contamination levels, contains deoxynivalenol equivalent to 60 percent of the maximum TDI, and the safety levels for HT-2 would be exceeded, said the scientists.
The study is published in the journal Food Chemistry.
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