Comparison of ochratoxin A and deoxynivalenol loads of organically and conventionally produced beers sold on the Belgian market

International audience ; Beer was chosen as a cereal-derived and homogeneous product allowing to compare the organic and conventional production modes in terms of mycotoxin contamination levels. Ochratoxin A (OTA, a storage mycotoxin) and deoxynivalenol (DON, a field mycotoxin) were assessed by HPLC methods in organically and conventionally produced beers sold in Belgium. Immunoaffinity column (OchraTest® and DONPrep®) purification was used prior to HPLC analysis. For in-house validation, recovery experiments carried out with the spiked beers in the ranges of 50 - 200 ng OTA l-1 and 20 - 100 µ... Mehr ...