北海市干沙虫污染状况调查

了解北海市市售干沙虫有毒有害物质的污染状况。方法 对北海市4个主要养殖产区和1个具有代表性的品牌的43份干沙虫样品进行了重金属、农药残留、微生物等项目的检测,并参照有关标准做出安全评价。结果 除多氯联苯、农药残留和致病菌未检出外,部分样品的铬和菌落总数以及个别样品的挥发性盐基氮有不同程度的超标,其中铬的超标率为100%,组胺和其他重金属元素在所有样品中均有检出但未超过参考标准的限量。结论 北海市干沙虫的卫生质量状况总体较好,但铬和菌落总数仍有不同程度超标,应对干沙虫作进一步的安全风险评估并建立相应的产品质量标准予以管理和规范。

Investigation of hazardous substances contamination of dried peanut worm from Beihai City

To understand the status of hazardous substances contamination in dried peanut worm from Beihai City.Methods The heavy metal, pesticide residue and microorganism of the dried peanut worm from four main farming areas and one brand product in Beihai were detected. Results No polychlorinated biphenyl, pesticide residue and pathogenic bacteria could be detected. However, the chromium, total numbers of colony and volatile basic nitrogen were out of the standard limits in some samples. All samples contained histamine and other heavy metals not over the standards.Conclusion The health quality condition of dried peanut worm in Beihai overall is good, only some samples contaminated by chromium and total numbers of colony in different degrees.