铅是一种蓄积性的重金属元素,对人体的泌尿系统、生殖系统、呼吸系统和神经内分泌系统等具有不同程度的损害,给人体健康带来威胁。文中简述了我国目前食品中重金属铅的污染情况及其来源与危害,比较了国内外对食品中重金属铅的限量标准,并对食品中重金属铅的检测技术及发展趋势进行了分析与展望。

Lead is a kind of heavy metal ions which can cause varying degrees of damage to human urinary system,reproductive system,respiratory system and neuroendocrine system.Heavy metal lead pollution in food and its source and harmfulness were briefly described.The limitation standard in China and other countries were compared.The analysis technology and trend in the detection of heavy metal irons in food was discussed.The paper provides the reference for controlling,supervising or detecting of lead in food.