信阳南湾水库水质清新、无工业污染,其出产的“豫南湾”牌南湾鱼品味独特,深受消费者喜爱。为了解南湾鱼的质量安全性,2002年、2003年冬捕期间对南湾鳙鱼的药物残留和有毒有害元素进行了初步分析。1材料与方法1.1材料来源在南湾水库自然条件下,人工放养生长2~3年的商品鳙鱼,200 Xinyang South Bay Reservoir fresh water, no industrial pollution, the production of “South of Wan” brand South Bay fish unique taste, by consumers. In order to understand the quality and safety of Nanwan fish, the drug residues and toxic and harmful elements of Nanwan catfish were preliminarily analyzed during the winter catching in 2002 and 2003. 1 Materials and Methods 1.1 Material Sources In the natural conditions of the Nanwan Reservoir, commercial catfish which has been stocked for 2 to 3 years in artificial stocking, 200