1. National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, Hunan 410081, China
2. National
Research Center of Engineering Technology for Utilization of Functional
Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan 410128, China