About the Authors

Ying-Yong Zhao

Contributed equally to this work with: Ying-Yong Zhao, Ya-Long Feng

zyy@nwu.edu.cn (YYZ); qbmei@fmmu.edu.cn (QM)

Affiliation Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, the College of Life Sciences, Northwest University, Xi’an, Shaanxi, P.R. China

Ya-Long Feng

Contributed equally to this work with: Ying-Yong Zhao, Ya-Long Feng

Affiliation Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, the College of Life Sciences, Northwest University, Xi’an, Shaanxi, P.R. China

Xu Bai

Affiliation Solution Center, Waters Technologies (Shanghai) Ltd., Shanghai, P.R. China

Xiao-Jie Tan

Affiliation Solution Center, Waters Technologies (Shanghai) Ltd., Shanghai, P.R. China

Rui-Chao Lin

Affiliation Research and Inspection Center of Traditional Chinese Medicine and Ethnomedicine, National Institutes for Food and Drug Control, State Food and Drug Administration, Beijing, P.R. China

Qibing Mei

zyy@nwu.edu.cn (YYZ); qbmei@fmmu.edu.cn (QM)

Affiliation Solution Center, Waters Technologies (Shanghai) Ltd., Shanghai, P.R. China

Competing Interests

In this work, two technological experts of Waters Technologies (Shanghai) Ltd, Xu Bai and Xiao-Jie Tan, have given great contribution to all the test and data analysis work on Waters AcquityTM Ultra Performance LC system (Waters, USA) equipped with a Waters XevoTM G2 QTof MS (Waters MS Technologies, Manchester, UK). The usage and publishing of the relative data were approved by Waters Technologies (Shanghai) Ltd. No conflicts of interest exist; all items are strictly in line with the regulation of PLOS ONE. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: YYZ QM. Performed the experiments: YLF. Analyzed the data: YYZ RCL. Contributed reagents/materials/analysis tools: XB XJT. Wrote the paper: YYZ RCL.