Dear Editor-in-Chief As a global problem, food safety significantly affects the public health in both developed and developing countries, especially in countries with large populations, e.g. China. A 2011 survey reported that food safety was the most concerned issue in Chinese people, surpassing public security, traffic safety, medical safety, etc. Food can be contaminated by many harmful factors at any step in the process from farm to table. In China, the major harmful factors include toxic animals and plants (e.g. puffer fish and toadstool), pathogenic microorganisms (e.g.
Salmonella and Vibrio Parahaemolyticus), and chemical contamination (e.g. pesticide and veterinary drug residues)…