1. College of Science, Yunnan Agricultural University, Kunming 650201, China
2. Key Laboratory of Pu′er Tea, Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
3. College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
4. College of Chinese Medicine, Yunnan University of Chinese Medicine, Kunming 650500, China