Abstract
Maize (Zea mays) cell cultures were used for the production of zearalenone-4-β-D-glucopyranoside as standard compound. Wheat samples were extracted with acetonitrile: water, applied to a florisil column and eluted with methanol:ethyl acetate. For determination and quantification of zearalenone-4-β-D-glucopyranoside and zearalenone a LC-MS method was developed. A concentration of 10 μg/kg zearalenone-4-β-D-glucopyranoside and zearalenone was detectable. The recovery rates were calculated to be 69% and 89% at a concentration level of 100 μg/kg for zearalenone-4-β-D-glucopyranoside and zearalenone, respectively.
24 Bavarian wheat samples from harvest 1999 were analyzed. Zearalenone was present in 22 out of 24 field samples, the levels ranged from 11–860 μg/kg. Zearalenone-4-β-D-glucopyranoside was found in 10 out of the zearalenone positive samples (42%) at levels ranging from 17 to 104 μg/kg. The amounts of zearalenone-4-β-D-glucopyranoside were correlated to those of zearalenone (r2=0,86; b=0,10).
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Schneweis, I., Meyer, K., Engelhardt, G. et al. Nachweis von Zearalenon-4-β-D-Glucopyranosid in Weizen. Mycotox Res 17 (Suppl 1), 87–91 (2001). https://doi.org/10.1007/BF03036719
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DOI: https://doi.org/10.1007/BF03036719