期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 65, 期 1, 页码 190-198出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.6b04182
关键词
Fusarium mycotoxins; stable isotope dilution assay; LC-MS/MS; barley; brewing process
资金
- Forschungskreis der Ernahningsindustrie e.V. (FEI, Bonn)
- AiF
- German Federal Ministry of Economic Affairs and Energy (AiF-Project) [17221 N]
- Wissenschaftsforderung der Deutschen Brauwirtschaft e.V.
- Wissenschaftliche Station fur Brauerei in Munchen e.V.
Some information is available about the fate of Fusarium toxins during the brewing process, but only little is known about the single processing steps in detail. In our study we produced beer from two different barley cultivars inoculated with three different Fusarium species, namely, Fusarium culmorum, Fusarium sporotrichioides, and Fusarium avenaceum, producing a wide range of mycotoxins such as type B trichothecenes, type A trichothecenes, and enniatins. By the use of multi-mycotoxin LC-MS/MS stable isotope dilution methods we were able to follow the fate of Fusarium toxins during the entire brewing process. In particular, the type B trichothecenes deoxynivalenol, 3-acetyldeoxynivalenol, and 15-acetyldeoxynivalenol showed similar behaviors. Between 35 and 52% of those toxins remained in the beer after filtration. The contents of the potentially hazardous deoxynivalenol-3-glucoside and the type A trichothecenes increased during mashing, but a rapid decrease of deoxynivalenol-3-glucoside content was found during the following steps of lautering and wort boiling. The concentration of enniatins greatly decreased with the discarding of spent grains or finally with the hot break. The results of our study show the retention of diverse Fusarium toxins during the brewing process and allow for assessing the food safety of beer regarding the monitored Fusarium mycotoxins.
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