1. National & Local United Engineering Laboratory of Integrative Utilization Technology of Eucommia ulmoides; Jishou University; Jishou P. R. China
2. College of Chemistry and Chemical Engineering; Central South University; Changsha P. R. China
3. China National Analytical Center; Guangzhou P. R. China
4. South Subtropical Crop Research Institute; Chinese Academy of Tropical Agricultural Science; Zhanjiang P. R. China