期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 62, 期 -, 页码 514-520出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2013.09.020
关键词
Fumonisins; Deoxynivalenol; Zearalenone; Maize germ; Corn oil; Margarine
资金
- Spanish MICINN [AGL2008-03555, AGL2011-26808]
- Government of Aragon (Grupo de Investigacion Consolidado) [A01]
- European Social Fund
- Fundacion Cuenca Villoro
Analytical methods were validated for the analysis of fumonisins (FB1 and FB2), deoxynivalenol (DON) and zearalenone (ZEA) in maize germ, corn oil and margarine. A survey of 74 samples consisting of 12 wet-milled maize germ, 12 dry-milled maize germ, 25 refined corn oil, and 25 corn oil margarine was conducted. Results revealed that 100% and 87.5% of maize germ samples presented FB1 and FB2, respectively, attaining concentrations for the sum of both toxins of 1302 541 mu g kg(-1), in wet-milled and 820 +/- 831 mu g kg(-1) in dry-milled maize germ. The lower incidence of FBI, FB2 and DON in edible oil and margarine (4-8%) may be related with the industrial processes for their obtaining besides the high water-solubility of these mycotoxins. In contrast, 25% of maize germ samples were positive for ZEA as well as 32% of corn oil and 24% of margarine, which may be related with its lipophilic nature. A number of samples exceeded the maximum limits indicating that strict control is needed, though estimated dietary exposure was less than 0.2% tolerable daily intakes in all cases. (C) 2013 Elsevier Ltd. All rights reserved.
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