期刊
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
卷 16, 期 19, 页码 1827-1835出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/rcm.796
关键词
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Careful analysis of the electron impact (0) mass spectral data obtained for the trimethylsilyl (TMS) ethers of known trichothecene mycotoxins of the deoxynivalenol group permitted the construction of a database useful for the identification of these mycotoxins directly from a gas chromatography/mass spectrometry (GC/MS) run. Structures of the ions at m/z 103, 117, 147 and 191 were elucidated by high-resolution mass spectrometry (HRMS) and a fragmentation scheme was suggested. The relative abundances of these ions in the mass spectra of the trichothecenes allowed a fast structural diagnosis during analysis of biological matrices. A new mycotoxin of this group, 3-acetylnivalenol, was tentatively identified by using MS data interpretation only. Copyright (C) 2002 John Wiley Sons, Ltd.
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