1. Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-efficiency Utilization and Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry BiomassZhejiang A & F University Lin'an 311300 P. R. China
2. Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical SciencesChongqing University Chongqing 401331 P. R. China
3. School of Pharmaceutical SciencesSouth-Central University for Nationalities Wuhan 430074 P. R. China
4. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical EngineeringZhejiang University of Technology Hangzhou 310014 P. R. China
5. National Resource Center for Chinese Materia MedicaChina Academy of Chinese Medical Sciences Beijing 100700 P. R. China