(1.Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture and Rural Affairs, Academy of Contemporary Agricultural Engineering Innovations, Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, College of Light Industry and Food Sciences, Zhongkai University of Agriculture and Engineering, Guangzhou 510225;2.Food Safety Early Warning R&D Center, Guangzhou Quality Supervision and Testing Institute, Guangzhou 510447)