【摘要】 对凤阳市场上销售蔬菜的硝酸盐含量进行了检测,结果表明:根菜类与叶菜类蔬菜硝酸盐含量严重超标,污染等级均在3以上;不同种类的蔬菜硝酸盐含量的高低呈现一定的规律性,由高到低的顺序依次为:根菜类>叶菜类>薯蓣类>瓜类>葱蒜类>茄果类。在调查测定的基础上,进一步分析了蔬菜硝酸盐含量超标的原因,并提出了降低蔬菜硝酸盐含量的对策。更多还原

【Abstract】 The nitrate content of vegetables was determined in Fengyang market. The resuhs showed the nitrate content of the root vegetables and the leaf ones exceeded seriously the standard of food safety, the pollution grades of all these vegetables were over 3. There was a definite law about the nitrate content among the different kinds of vegetable, the order from higher to lower was root vegetables>leaf vegetables>Chinese yam vegetables>gourds>onions and garlic>eggplants. The reasons were analyzed if the nitrate content of vegetables exceeded the standard of food safety on the investigation, and the countermeasures to reduce the nitrate content of vegetables were put forward.更多还原