Rapid determination of fumonisin (FB) by syringe SPE coupled with solid-phase fluorescence spectrometry.

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ID: 63936
2019
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Abstract
Fumonisin B is the most prevalent member of a family of toxins, known as fumonisins, which occurs mainly in maize, wheat and other cereals. Due to its hepatotoxic and nephrotoxic in all animal species, very strict regulations have been imposed on the levels of fumonisin B in cereal and cereal-based foods worldwide. In this work, a rapid determination method of fumonisin B by membrane solid phase extraction coupled with solid-phase fluorescence analysis is developed. A rhodamine based fluorescent probe was used for derivatization with fumonisin B. After derivatization and extraction by nylon membrane, the enriched fumonisin B can be detected directly on the membrane without further elution process that is placed in a designed spectra collection device. The established method showed a linear relationship in concentration range of 0.5-5.0 μg/L, with the R = 0.991, and a limit of detection of 0.119 μg/L. Method accuracy was further confirmed using LC-MS method by comparing the detection results of 3 corn powder samples spiked with FB, that demonstrated equivalent results. The results of this study indicated that the proposed method was simple, sensitive, reliable and suitable for trace fumonisins B quantitation in corn-based feeds.
Reference Key
li2019rapidspectrochimica Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Li, Long;Chen, Wanchao;Li, Hui;Iqbal, Jibran;Zhu, Ying;Wu, Ting;Du, Yiping;
Journal spectrochimica acta part a, molecular and biomolecular spectroscopy
Year 2019
DOI
S1386-1425(19)30939-4
URL
Keywords
fumonisin b(1) spe solid-phase fluorescence syringe

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