Prof. Dr. rer. nat. Dr. agr. Alexander Prange Hochschule NiederrheinFachbereich Oecotrophologie Bacteria, Industrial hygiene, Fermentation, Yeasts, Hygiene management, Food hygiene, Air hygiene, Microbiology, Mycotoxins, Ecotrophology, Moulds, Pathogens, Challenge test, Food safety, Polymerase Chain Reaction, PCR