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Updated: Jan 31, 2026

Quantification of Fungal Colonization, Sporogenesis, and Production of Mycotoxins Using Kernel Bioassays
Published on: April 23, 2012
Transfer of Fusarium mycotoxins from malt to boiled wort
Xenia Pascari1, Yelko Rodriguez-Carrasco2, Cristina Juan2
1Applied Mycology Unit, Food Technology Department, University of Lleida, UTPV-XaRTA, Agrotecnio, Av. Rovira Roure 191, 25198 Lleida, Spain.
Abstract:
The fate of deoxynivalenol, deoxynivalenol-3-glucoside, 3- and 15-acetyl-deoxynivalenol, zearalenone, α- and β-zearalenol and fumonisins (fumonisin B1 and fumonisin B2) through mashing and wort boiling was studied. Three different mycotoxin contamination scenarios were considered. In almost all samples an increase in the level of mycotoxins in wort was observed during mashing followed by a decrease after just 30 min of the process, with levels remaining constant until the end of boiling. Deoxynivalenol and its metabolites were reduced to their initial level contained in the malt before mashing, or even lower, however in none of the samples they were completely eliminated. Zearalenone was not quantitated at the end of boiling, although there was a significant initial level of ZEN. β-Zearalenol remained unaltered during the process. Fumonisins were reduced by between 50 and 100 per cent during mashing and boiling.
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