1. Tianjin Key Laboratory of Pulp and Paper Tianjin University of Science and Technology No. 9 at 13th Avenue, TEDA Tianjin 300457 P. R. China
2. Johan Gadolin Process Chemistry Centre Laboratory of Natural Materials Technology Åbo Akademi Turku FI 20500 Finland
3. Department of Environment and Health Tianjin Institute of Environmental and Operational Medicine No. 1 at Dali road Tianjin 300050 P. R. China
4. The Key Laboratory of Horticultural Plant Genetic and Improvement of Jiangxi Province Institute of Biological Resources Jiangxi Academy of Sciences No. 7777, Changdong Road, Gaoxin District Nanchang 330096 P. R. China