1. College of Chemistry, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan 450001, P. R. China
2. School of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
3. Food Laboratory of Zhongyuan, Flavour Science Research Center of Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan 450001, P. R. China