1. Institute of Food Sciences and Technology, National Taiwan University, Taipei 106, Taiwan
2. Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization and Hubei Collaborative Innovation Center for the Characteristic Resources Exploitation of Dabie Mountains, Huanggang Normal University, Huanggang, Hubei China
3. Tea Research and Extension Station, Taoyuan 326, Taiwan
4. Department of Food Science, Rutgers University, New Brunswick, New Jersey 08901, United States
5. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
6. Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan