1. School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, Shandong Province, P.R. China
2. Shandong Provincial Engineering Research Center of Vegeable Safety and Quality Traceability, No.12 Zhangzhou Road, Zibo 255049, Shandong Province, PR China
3. Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China