1. School of Food and Biological Engineering, Jiangsu University, Xuefu Road No. 301, Food Building, Room 618, Zhenjiang 212013, P. R. China
2. Jiangsu Key Laboratory for Biomass Energy and Material, Nanjing 210042, Jiangsu Province, P. R. China
3. Carlsberg Research Laboratory, Bjerregaardsvej 5, Valby 2500, Denmark
4. Department of Environmental Engineering, Technical University of Denmark, Knuth-Winterfeldts Allé, Building 114, Room 214, 2800 Kgs. Lyngby, Lyngby DK-2800, Denmark