Fusarium mycotoxins in spring barley and their transfer into malt
2010
Malachova, A.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic) | Hajslova, J.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic) | Ehrenbergerova, J.,Mendelova Univ., Brno (Czech Republic) | Kostelanska, M.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic) | Zachariasova, M.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic) | Urbanova, J.,Vysoka Skola Chemicko-technologicka, Prague (Czech Republic) | Cerkal, R.,Mendelova Univ., Brno (Czech Republic) | Safrankova, I.,Mendelova Univ., Brno (Czech Republic) | Markova, J.,Mendelova Univ., Brno (Czech Republic) | Vaculova, K.,Zemedelsky Vyzkumny Ustav, Kromeriz (Czech Republic) | Hrstkova, P.,Mendelova Univ., Brno (Czech Republic)
This paper focuses on Fusarium mycotoxins, mycotoxin contamination of malting barley and mycotoxin transfer into malt. Twelve spring barley cultivars were grown in low-input and conventional agricultural systems in Zabcice and Kromeriz (Czech Republic) during the years 2005-2008 and treated or not with fungicides. The incidence as well as the levels of mycotoxins depended on the year. In 2005 and 2006, trichothecens of B group (DON and NIV) were the prevailing mycotoxins in barley grains, whereas HT-2 and T-2 predominated in 2007 and 2008 with the highest levels in 2008. Fungicide treatment had no significant impact on mycotoxin occurrence. During malting process, HT-2 levels decreased probably due to solubilisation in steeping water. The toxin could not be detected in malt. No general trend was observed in DON changes as it decreased or increased during malting.
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