1. State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, Anhui, P. R. China
2. Collaborative Mass Spectrometry Innovation Center, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, California 92093, United States
3. International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Anhui Agricultural University, Hefei 230036, Anhui, P. R. China
4. College of Longrun Pu-erh Tea, Yunnan Agricultural University, Kunming 650201, Yunnan, P. R. China
5. Yiyang Fu Cha Industry Development Co. Ltd., 690 North Datao Road, Yiyang 413000, Hunan, P. R. China
6. School of Life Sciences, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, Anhui, P. R. China