Natural occurrence of deoxynivalenol in wheat from Paraná State, Brazil and estimated daily intake by wheat products

► We detected deoxynivalenol in 66.4% of wheat samples analysed. ► The total estimated daily intake of DON in Londrina, Brazil was 1.13μg/kg/day. ► Constant monitoring on mycotoxin levels is necessary to minimise health risks. The occurrence of deoxynivalenol (DON) was evaluated in 113 wheat samples...

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Bibliographic Details
Published in:Food chemistry 2013-05, Vol.138 (1), p.90-95
Main Authors: Sifuentes dos Santos, Joice, Souza, Thiago Montagner, Ono, Elisabete Yurie Sataque, Hashimoto, Elisabete Hiromi, Bassoi, Manoel Carlos, Miranda, Martha Zavariz de, Itano, Eiko Nakagawa, Kawamura, Osamu, Hirooka, Elisa Yoko
Format: Article
Language:English
Subjects:
Biological and medical sciences
Brazil
Cereal and baking product industries
Diet
Eating
Exposure estimation
Food Contamination - analysis
Food industries
Food Safety
Food toxicology
Fundamental and applied biological sciences. Psychology
Mycotoxins - analysis
Mycotoxins - metabolism
Trichotecene
Trichothecenes - analysis
Trichothecenes - metabolism
Triticum - chemistry
Triticum - metabolism
Winter cereal
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Summary:► We detected deoxynivalenol in 66.4% of wheat samples analysed. ► The total estimated daily intake of DON in Londrina, Brazil was 1.13μg/kg/day. ► Constant monitoring on mycotoxin levels is necessary to minimise health risks. The occurrence of deoxynivalenol (DON) was evaluated in 113 wheat samples from the northern and central/southwestern regions of Paraná State, Brazil during the 2008 and 2009 growing seasons, and this rate of occurrence was used to estimate the DON dietary exposure. The DON determination was carried out by an indirect competitive enzyme-linked immunosorbent assay. DON was detected in 66.4% samples at levels ranging from 206.3 to 4732.3μg/kg (mean 1894.9μg/kg). The estimated daily intake (EDI) of DON through bread and pasta was evaluated in the inhabitants of Londrina City in northern Paraná State, Brazil. The average intake of these inhabitants was 0.79μg/kg body weight (b.w.) for bread and 0.35μg/kgb.w. for pasta. The total EDI was 1.13μg/kg, which is above the Provisional Tolerable Daily Maximum Intake (PTDMI) of 1μg/kgb.w. To our knowledge, this is the first report on natural DON occurrence in wheat and DON dietary exposure estimation from Paraná, Brazil.
ISSN:0308-8146
1873-7072
DOI:10.1016/j.foodchem.2012.09.100