Aflatoxin

Molecular characterization of Aspergillus flavus and aflatoxin contamination of wheat grains from Saudi Arabia

A. S. Al-Wadai, Al-Othman, M. R., Mahmoud, M. A., and El-Aziz, A. R. M. Abd, Molecular characterization of Aspergillus flavus and aflatoxin contamination of wheat grains from Saudi Arabia, vol. 12, pp. 3335-3352, 2013.

Twelve species belonging to six fungal genera were found to be associated with wheat (Triticum aestivum L.) grain samples collected from three main regions in Saudi Arabia. The most common genera (average frequency) were Aspergillus (14.3%), Fusarium (29.1%), Penicillium (9.3%), and Alternaria (8.2%). Nineteen isolates of Aspergillus flavus were screened for their ability to produce aflatoxins using HPLC. Thirteen isolates produced aflatoxins ranging from 0.5 to 2.6 μg/kg.

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