1. Department of Safety and Quality of Fruit and VegetablesMax Rubner‐Institut (MRI)Federal Research Institute of Nutrition and Food Haid‐und‐Neu‐Straße 9 76131 Karlsruhe Germany
2. Department of Food Chemistry and PhytochemistryKarlsruhe Institute of Technology (KIT) Adenauerring 20a 76131 Karlsruhe Germany
3. Department of Microbiology and BiotechnologyMax Rubner‐Institut (MRI)Federal Research Institute of Nutrition and Food Hermann‐Weigmann‐Straße 1 24103 Kiel Germany