Authors contribution
Jianguang Li, Jingjing Duan, and Xinxia Li conceived and designed the project. Lu Zhang, Libo Zhang, Ruolin Zhao, Ran Duan, Yuanyuan Qin, Sijia Gao participated in the experiments. Xuehong Ma and Rongmei Shi contributed to the preparation and the quality control of reagent (allicin). Lu Zhang analyzed data and drafted the article. Jingjing Duan edited and reviewed it. Jianguang Li and Xinxia Li critically read the manuscript and gave helpful suggestions. All authors read and approved the final manuscript.