ANALYSIS OF CANADIAN AND IMPORTED BEERS FOR FUSARIUM MYCOTOXINS BY GAS-CHROMATOGRAPHY MASS-SPECTROMETRY

被引：71

作者：

SCOTT, PM

KANHERE, SR

WEBER, D

机构：

[1] Food Research Division, Bureau of Chemical Safety, Food Directorate, Health Protection Branch, Health and Welfare Canada, Ottawa, ON

来源：

FOOD ADDITIVES AND CONTAMINANTS | 1993年 / 10卷 / 04期

关键词：

DEOXYNIVALENOL; NIVALENOL; ZEARALENONE; ALPHA-ZEARALENOL AND BETA-ZEARALENOL; BEER; GAS CHROMATOGRAPHY MASS SPECTROMETRY;

D O I：

10.1080/02652039309374161

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A sensitive method was developed for the determination of deoxynivalenol (DON), nivalenol (NIV), alpha-zearalenol (alpha-ZEL), beta-zearalenol (beta-ZEL) and zearalenone (ZEN) in beer by capillary gas chromatography-mass spectrometry (GC-MS) of their heptafluorobutyrate (HFB) derivatives. Recoveries averaging 90-103% were obtained from beers spiked with each mycotoxin in the 5-20 ng/ml concentration range. Limits of detection were 0.1-1.5 ng DON/ml, 0.01-0.3 ng NIV/ml, 2.5-3 ng alpha- and beta-ZEL/ml, and 1.5-2 ng ZEN/ml. Twenty-nine of 50 samples of Canadian and imported beer surveyed were found to contain DON; of these nine contained greater than 5 ng/ml (up to 50 ng/ml). The identity of DON was confirmed by response ratios at m/z 670 and m/z 884 for the HFB derivative and m/z 497 and m/z 512 for the trimethylsilyl (TMS) derivative. NIV was also detected in three beer samples (0.1-0.84 ng/ml) but no alpha-ZEL, beta-ZEL or ZEN was found

引用

页码：381 / 389

页数：9

共 29 条

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