Advances in risk assessment of agricultural product quality and safety.

The issues of agricultural product quality and safety are not only related to the health of consumers, but also has become a huge obstacle to domestic industries and agricultural products exports after China's accession to WTO. As a scientific basis, risk assessment is essential for solving the current problem of agricultural product quality and safety. To establish the agricultural product safety policies and guidelines could improve the consumer protection and facilitate international trade. In this paper, the risk factors and sources of agricultural product quality and safety were analyzed. Four factors on risk assessment of chemical pollution and biological pollution of agricultural products were studied, including hazard identification, hazard characterization, exposure assessment, and risk characterization studies. The status of risk assessment on the agricultural product quality and safety were also summarized.