Abstract
Fumonisins B1(FB1) and B2(FB2) were isocratically separated on a fluorocarbon column without using an ion pair reagent and nonvolatile buffer during the HPLC and were detected by an o-phthalaldehyde postcolumn derivatization system using a fluorescence detector. The minimum detectable concentrations of FB1 and FB2 in corn by this system were 0.01 μg/g and 0.01 μg/g, respectively. The separated fumonisins were further identified by a directly interfaced ion trap MS using electrospray ionization. FB1 and FB2 in naturally contaminated corn were identified in the selective ion monitoring mode at concentrations of 3.75μg/g and 1.44 μg/g, respectively.
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Akiyama, H., Uraroongroj, M., Miyahara, M. et al. Quantitation of fumonisins in corn by HPLC with o-phthalaldehyde postcolumn derivatization and their identification by LC/MS. Mycopathologia 140, 157–161 (1997). https://doi.org/10.1023/A:1006818226376
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DOI: https://doi.org/10.1023/A:1006818226376