1. Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Währinger Straße 38, 1090 Vienna, Austria
2. Chair of Food Analytical Chemistry, Technical University of Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany
3. Core Facility Multimodal Imaging, Faculty of Chemistry, University of Vienna, Währinger Straße 38, 1090 Vienna, Austria