期刊
TOXINS
卷 10, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/toxins10040165
关键词
fumonisins; immunoaffinity test column; clean-up column; visual non-instrumental detection; cereal samples
资金
- Tianjin Municipal Science and Technology Commission [16PTSYJC00130]
- International Science and Technology Cooperation Program of China [2014DFR30350]
- National Key R and D Program of China [2016YFD0401204]
A visual immunoaffinity test column (IATC) assay was developed to detect fumonisins in cereal samples for spot tests without the need for special instruments. The developed IATC assay had equivalent recognition capability for fumonisin B-1 (FB1), fumonisin B-2 (FB2), or fumonisin B-3 (FB3), and exhibited no cross-reactivity with aflatoxin B-1, ochratoxin A, zearalenone, or the T-2 toxin. The sample pretreatment was accomplished more rapidly and with greater ease, the entire assay procedure was completed in approximately 10 min, including sample pretreatment and testing. The limits of detection (LODs) of the IATC assay to detect fumonisins in the maize, barley, oat, and millet samples were 20 g kg(-1). The results of the spiked maize, barley, oat, and millet and real maize samples by the IATC assay agreed well with the results obtained by the commercial fumonisin enzyme-linked immunosorbent assay (ELISA) test kit and liquid chromatography-tandem mass spectrometry (LC-MS/MS), respectively. The developed IATC assay can serve as a useful screening tool for the rapid, qualitative, and semi-quantitative detection of the total content of fumonisins (sum of FB1, FB2, and FB3) in cereal samples on-site.
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