Co-Authors:
Muszkat, L., Departments of Chemistry of Pesticides and Natural Products, ARO, Volcani Center, Bet Dagan, 50250, Israel
Paster, N., Departments of Stored Products, ARO, Volcani Center, Bet Dagan, 50250, Israel
Barkai-Golan, R., Departments of Fruit and Vegetable Storage, ARO, Volcani Center, Bet Dagan, 50250, Israel
Abstract:
Shipments of corn imported to Israel from the U.S.A. during 1985 were sampled during unloading and examined for the presence of fungi and the trichothecene deoxynivalenol (DON). The most frequent species found on the corn was Aspergillus flavus followed by A. versicolor; three other Aspergilli — A. niger, A. ochraceus and A. fumigatus — were found at a much lower frequency. DON analysis was performed by electron capture detection gas chromatography after derivatization with heptafluorobutyryl imidazole. At fortification levels of 0.1, 1 and 2 μg/g, recoveries of 80—100% were obtained. Although DON was not detected in any of the samples analyzed, the observation (in the shipments) of fungi belonging to the genera Fusarium and Aspergillus suggests a potential danger of mycotoxin contamination. The relatively high moisture content of the samples increased the likelihood of such a hazard. © 1988, Springer Science + Business Media B.V.. All rights reserved.
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