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Chilean Journal of Agricultural Research
Instituto de Investigaciones Agropecuarias, INIA
ISSN: 0718-5820
EISSN: 0718-5839
Vol. 75, No. 1, 2014, pp. 50-56
Bioline Code: cj15007
Full paper language: English
Document type: Study
Document available free of charge

Chilean Journal of Agricultural Research, Vol. 75, No. 1, 2014, pp. 50-56

 en Monitoring levels of deoxynivalenol in wheat flour of Brazilian varieties
Silva, Cristiano L.; Benin, Giovani; Rosa, André C.; Beche, Eduardo; Bornhofen, Elesandro & Capelin, Márcio A.


Deoxynivalenol (DON) is a mycotoxin produced by Fusarium graminearum check for this species in other resources and its intake represents a severe risk to human and animal health. The objective of this study was to evaluate levels of DON in wheat ( Triticum aestivum check for this species in other resources L.) flour from two representative locations of south Brazil. Experiments were carried out in Pato Branco (Paraná) and Coxilha (Rio Grande do Sul) in a randomized complete block design with three replicates. Levels of DON were measured by highperformance liquid chromatography coupled with mass spectrometry (HPLC-MS/MS). This mycotoxin was detected in 97% of samples, ranging from 200 to 4140 μg kg-1. Only 17% of samples presented DON beyond of the maximum allowed by the Brazilian Health Surveillance Agency up to the year 2012; even though, Fusarium head blight (FHB) epidemics were slight low in the growing season that the study was performed. According to our knowledge, this is the first report showing genetic variability of Brazilian cultivars to DON contamination and some genotypes have potential to be exploited as a source of low accumulation of this toxin.

Fusarium head blight; micotoxin; Triticum aestivum; wheat flour

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