期刊
FOOD ADDITIVES AND CONTAMINANTS
卷 23, 期 11, 页码 1194-1200出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02652030600778728
关键词
mycotoxins; conjugated mycotoxins; masked mycotoxins; zearalenone; metabolism; mass spectrometry; Arabidopsis thaliana
资金
- Austrian Science Fund FWF [P 16410] Funding Source: Medline
The biotransformation products of zearalenone, a Fusarium mycotoxin, were elucidated using the model plant Arabidopsis thaliana. After treatment of plant seedlings with 50 mu M zearalenone, both the liquid media and the plant extracts were analysed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). An array of 17 different metabolites, most prominently glucosides, malonylglucosides, di-hexose-and hexose-pentose disaccharides of zearalenone, and alpha- and beta-zearalenol, were detected in the samples. Time courses for the different zearalenone metabolites were recorded and they give a closer insight into the metabolism kinetics. A scheme proposing the zearalenone metabolism in A. thaliana is given. The aspect of food safety regarding the (potential) occurrence of masked mycotoxins in agricultural commodities is discussed.
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