期刊
FOOD CONTROL
卷 36, 期 1, 页码 94-101出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2013.07.028
关键词
Multiclass mycotoxins; UHPLC-MS/MS; Pseudocereals; Spelt; Rice; QuEChERS
资金
- Andalusia Government (Junta de Andalucia) [P07-AGR-03178]
- Junta de Andalucia
- Ministry of Economy and Competitiveness of the Spanish Government
Nowadays the interest and consumption of pseudocereals is increasing due to their nutritional properties. Like cereals and oilseeds, pseudocereal seeds are susceptible to fungal growth and mycotoxin contamination; however these matrices have received little attention in literature. A sensitive, simple and rapid method for the determination of fifteen mycotoxins (aflatoxin B-1, aflatoxin B-2, aflatoxin G(1), aflatoxin G(2), ochratoxin A, fumonisin B-1, fumonisin B-2, nivalenol, deoxynivalenol, fusarenon-X, T-2 and HT-2 toxin, citrinin, sterigmatocystin and zearalenone) in pseudocereals (buckwheat, quinoa and amaranth) has been developed and validated by ultra-high performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS), using a QuEChERS-based sample treatment. This study also includes cereals such as spelt and white, brown and red rice. Matrix-matched calibration curves were established and limits of quantification were below the maximum contents established by EU regulation in cereals. The precision (repeatability and intermediate precision) was lower than 12% in all cases and recoveries were between 60.0% and 103.5%, fulfilling the current legislation. Finally, the content of aflatoxin B-1 found in a red rice sample was confirmed by comparison of the result obtained by using immunoaffinity columns for extraction and clean-up. (C) 2013 Elsevier Ltd. All rights reserved.
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