1. Biotechnology
of Natural Products, Technische Universität München, Liesel-Beckmann-Straße
1, 85354 Freising, Germany
2. Institute of Nutritional and Food Sciences,
Chair of Bioanalytics/Food Chemistry, Rheinische Friedrich-Wilhelms-Universität Bonn, Endenicher Allee 11-13, 53115 Bonn, Germany