1. Key laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
2. National Engineering Research Center for Enzyme Technology in Medicine and Chemical Industry, Hunan Flag Bio-tech Co., Ltd., Changsha 410100, China
3. National Research Center of Engineering and Technology for Utilization of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha 410128, China