期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1217, 期 9, 页码 1437-1440出版社
ELSEVIER
DOI: 10.1016/j.chroma.2009.12.047
关键词
Trichothecenes; QuEChERS; Wheat flour; LC-MS
资金
- Spanish Ministry of Education and Science [CTQ2007/63186]
A suitable extraction and purification method for the simultaneous liquid chromatography-mass spectrornetry (LC-MS) determination of five mycotoxins, three type A, diacetoxyscirpenol (DAS), T-2 toxin (T-2) and HT-2 toxin (HT-2), and two type B-trichothecenes, deoxynivalenol (DON) and nivalenol (NIV), has been optimised using a modified Quick Easy Cheap Effective Rugged and Safe (QuEChERS) method. Different solvents were Studied in the extraction procedure to obtain better recoveries, which ranged from 86 to 108%, using a 85/15 (v/v) Mixture of methanol/acetonitrile. The values obtained for recovery, repeatability and reproducibility of the optimized method are in agreement with Commission Directive 2005/26/EC for methods of analysis of Fusarium toxins. Finally, this optimized procedure was applied in wheat flour samples commercialized in Spain. (C)2009 Elsevier B.V. All rights reserved.
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