1. College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, P. R. China
2. Key Laboratory of Quality and Safety Regulating of Horticultural Crop Products, Ministry of Agriculture, Shanghai, P. R. China
3. Shanghai Sunqiao Agricultural Science and Technology Co., Ltd, Shanghai, P. R. China
4. School of Horticulture and Landscape Architecture, Hunan Agricultural University, Changsha, P. R. China