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Abstract
Levels of lutein and a number of mycotoxins were determined in seven varieties of durum wheat (Triticum durum) and two varieties of common wheat (Triticum aestivum) in order to explore possible relationships amongst these components. Durum wheat cultivars always showed both higher lutein and mycotoxin contents than common wheat cultivars. The mycotoxins detected in both common and durum wheat cultivars were produced by the genera Fusarium, Claviceps, Alternaria and Aspergillus. Fusarium was the major producer of mycotoxins (26 mycotoxins) followed by Claviceps (14 mycotoxins), which was present only in some cultivars such as Chevalier (common wheat), Lupidur and Selyemdur (both durum wheat), Alternaria (six mycotoxins) and Aspergillus (three mycotoxins). Positive correlations between the levels of lutein and mycotoxins in durum wheat cultivars were found for the following mycotoxins: deoxynivalenol (DON), its derivative DON-3-glucoside, moniliformin, culmorin and its derivatives (5-hydroxyculmorin and 15-hydroxyculmorin).
Funding
This work was supported by a grant project from the Ministry of Education Youth and Sports: ‘Improvement of Human Resources in Applied Agricultural Research on Sustainable Cereal Production’ [grant number CZ. 1.07/2.3.00/30.0011] and by the institutional support for long-term development (decision of the Ministry of Agriculture No. RO0211 dated 28 February 2011). The co-authors from IFA-Tulln acknowledge the European Commission and the federal government of Lower Austria for financial support.