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Revista argentina de microbiología

Print version ISSN 0325-7541


MARTINEZ, Mauro et al. Fusarium graminearum presence in wheat samples for human consumption. Rev. argent. microbiol. [online]. 2014, vol.46, n.1, pp.41-44. ISSN 0325-7541.

One of the most important diseases in cereal crops is Fusarium head blight, being Fusarium graminearum the main etiological agent. This fungus has the ability to produce a wide spectrum and quantity of toxins, especially deoxynivalenol (DON). During the last crop season (2012-2013) the climatic conditions favored Fusarium colonization. The objective of this work was to determine the presence of this fungus as well as the DON content in 50 wheat grain samples. Our results showed that 80% of the samples were contaminated with Fusarium graminearum. Twenty four percent (24%) of the samples contained ≥ 1μg/g DON, 26% ranged from 0,5 and 0,99μg/g, and the remaining 50% had values lower than 0,5μg/g. Correlation was found between the presence of Fusarium graminearum and DON. It is necessary to establish DON limit values in wheat grains for human consumption.

Keywords : Fusarium; Deoxynivalenol; Wheat.

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