1. Flavour Science Research Center of Zhengzhou University, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan450001, P. R. China
2. Zhengzhou Tobacco Research Institute of CNTC, Fengyang Road, Zhengzhou, Henan450001, P. R. China
3. College of Chemistry, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan450001, P. R. China
4. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou450001, P. R. China
5. Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan450001, P. R. China