1. Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstraße 14, 35390 Giessen, Germany
2. Department of Chemical Engineering, Kansas State University, Manhattan, KS, USA
3. Project Group Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Winchesterstr. 3, 35394 Giessen, Germany