随着人们生活水平日益提高及保健意识逐渐增强,食品安全问题越来越受到人们的关注.无公害食品.绿色食品.有机食品等安全食品备受消费者的青睐.经检测发现,有些农产品虽然农药残留量在标准限量以下,但常因重金属含量超标而达不到无公害农产品或绿色食品的要求.
Lead (Pb) is the heavy metal that has an effect on an irreversible mental retardation and brain development in newborn till the age of 2 year; therefore, World Health Organization has established a maximum allowance standard for blood lead in child at 10 μg·dL-1.
