食品安全问题是上至国家领导下至普通百姓共同关注的话题。由于工业化的发展以及人类的生产和生活活动使得农田环境日益恶化,并由此产生了一系列的农产品质量与安全问题,一些初级农产品中发现有重金属残留。农产品污染不仅影响其出口贸易,还直接威胁着人类健康,农产品食物消费是人类重金属污染的最主要途径,人体长期暴露于重金属污染物会引起 The issue of food safety is from the national leadership to the common people’s common concern. As a result of industrialized development and the human activities of production and living, the deteriorating agricultural environment has led to a series of problems concerning the quality and safety of agricultural products. Some of the primary agricultural products have been found to contain heavy metal residues. Agricultural pollution not only affects its export trade, but also directly threatens human health. Food consumption of agricultural products is the most important way of human heavy metal pollution. Long-term human exposure to heavy metal pollutants will cause