1. Institute of Food Chemistry and Food Biotechnology, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
2. Department of Beverage Research, Geisenheim University, Von-Lade-Str. 1, 65366 Geisenheim, Germany
3. Fraunhofer Institute for Molecular Biology and Applied Ecology, Ohlebergsweg 12, 35392 Giessen, Germany