Determination of Zearalenol and Zearalenone Using Electrochemical Detection
- 1 August 1989
- journal article
- research article
- Published by Taylor & Francis in Analytical Letters
- Vol. 22 (10), 2335-2352
- https://doi.org/10.1080/00032718908051259
Abstract
A method is described for the determination of zearalenol and zearalenone in corn using electrochemical detection. the sample is extracted with chloroform, and the extract is cleaned up by liquid-liquid partition. Zearalenol and zearalenone are resolved by liquid chromatography (LC), using a C18 column and a mobile phase consisting of 35 + 25 + 40 CH3 CN + MeOH + H2O and 0.02 mole/L sodium acetate buffered at pH 6.5. Zearalenol and zearalenone were detected with an electrochemical detector at an applied potential of +0.95V vs Ag/AgCl. Average recoveries of zearalenol and zearalenone in corn samples spiked at levels of 25–1000 ng/g were 104,2 and 97.5%, respectively. the coefficients of variation for the proposed method were 10.8% for zearalenol and 8.8% for zearalenone.Keywords
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