1. Chinese Academy of Sciences; Biomass Group; Key Laboratory of Tropical Plant Resources and Sustainable Use; Xishuangbanna Tropical Botanical Garden; 88 Xuefulu, Kunming Yunnan 650223 P. R. China
2. State-Local Joint Engineering Laboratory for Comprehensive, Utilization of Biomass; Center for R&D of Fine Chemicals; Guizhou University; Guiyang 550025 P. R. China