期刊
FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE
卷 9, 期 4, 页码 251-255出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19393210.2016.1195880
关键词
Deoxynivalenol; DON; wheat flour; instant noodle; biscuits
A total of 134 samples, consisting of 58 wheat flour, 40 instant noodle and 36 biscuits, were analysed for the presence of deoxynivalenol (DON). The samples were obtained from retail markets of the city of SAo Paulo during the period 2010-2014. DON was determined by high performance liquid chromatography with ultraviolet detection and immunoaffinity sample clean-up. Method validation followed international guidelines. The LOD and LOQ were 60 and 200 mu gkg(-1), respectively, considering the three different types of samples analysed. The lowest recovery found in this study was 91.8% with RSD 4.5% for instant noodles. DON was detected in 91.4%, 97.5% and 97.2% of samples wheat flour, instant noodles and biscuits, respectively, resulting in a total of 94.8% with levels ranging from LOD to 1720.0 mu gkg(-1).
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