Journal
MYCOTOXIN RESEARCH
Volume 34, Issue 3, Pages 173-178Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s12550-018-0311-8
Keywords
Mycotoxins; Fusarium; Trichothecenes; Cereals; LC-MS/MS; Contamination
Categories
Funding
- Research support foundation of the state of Sao Paulo (FAPESP) [2016/01798-4]
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Barley (Hordeum vulgare L.) is an important cereal crop for food and represents one of the main ingredients in beer production. Considering the importance of barley and its derived products, the knowledge about the mycotoxin contamination in the barley production is essential in order to assess its safety. In this study, the levels of deoxynivalenol (DON) and zearalenone (ZEN) in brewing barley were determined using a LC-MS/MS method. A survey was conducted in 2015 to estimate the mycotoxin levels in these products (n = 76) from four crop regions in Brazil. The results showed high levels of DON and ZEN in the analyzed samples, with contamination levels of 94 and 73.6%, respectively. The mean levels of DON and ZEN ranged from 1700 to 7500 mu g/kg and from 300 to 630 mu g/kg, respectively. Barley samples from regions 1 and 2 presented higher levels of ZEN and DON, respectively, and those from region 4 presented lower levels of both. Co-occurrence of DON and ZEN was seen in the majority of the barley grain samples, and the mycotoxin content was above the maximum levels established by the Brazilian and European regulations.
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