绵阳市食品微生物污染状况研究

目的 了解绵阳市近5年来食品微生物污染状况，为监督和保障食品卫生提供参考依据。方法按照国家标准检验方法和卫生标准对食品样品进行微生物检测和分析。结果2003～2007年共检测3614份食品，合格率82．13％。不同年度间食品合格率具有显著性差异（X^2=17．99，P〈0．01）；春夏秋冬四季食品合格率具有显著性差异（X^2=87．62，P〈0．01），夏季食品合格率最低，受微生物污染情况较其他季节严重；不同检测目的食品样品中，送检样品合格率显著高于抽检样品和委托样品（X^2=40．55，P〈0．01）；不同类别食品合格率有显著性差异（X^2=492．86，P〈0．01），发酵酒合格率最高这100％，凉拌菜合格率最低，仅为51．12％，其次是熟肉制品，合格率为59．37％。结论不同季节、不同种类食品受微生物污染程度不同。卫生监管部门应重点加强夏季食品、特别是凉拌菜、熟肉制品等的监督检测力度。

Investigation of status of food contamination with microoganisms in Mianyang City

Objective To understand the contamination status of food with microorganisms in Mianyang in recent five years. Methods The food samples were examined and analyzed. Results The total qualification rate of 3 614 food samples was 82.13% during 2003-2007. The qualified rate of beer was up to 100% and that of,cold dish and cooked meat were 51.12% and 59.37%. Conclusion The sanitary condition of food in Mianyang City is not qualified and monitoring work be strengthened.