1. Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
2. Changsha University of Science & Technology, Changsha 410114, China
3. National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Changsha 410128, China
4. Tea Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
5. Research Institute of Chinese Medicine, Hunan Academy of Chinese Medicine, Changsha, Hunan 410013, China