1. Applying Chemistry Key Lab of Hebei Province, Department of Bioengineer, Yanshan University, No. 438 Hebei Street, Qinhuangdao 066004, P. R. China
2. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, P. R. China
3. Hebei Province Asparagus Industry Technology Research Institute, Qinhuangdao 066004, P. R. China