Analysis on microbial contamination of school meals processing in Jingmen City

Objective To understand the microorganism pollution of school meals processing in Jingmen City and to find potential safety hazard timely.Methods A total of 236 samples of school meals processing from four city middle schools were detected for microbial indicators from April to September in 2015.Results The coliform counts of student meal processing samples were between less than 10 to 7.0×105 cfu/mL and 30% samples were less than 10 cfu/mL.The detection rate of Staphylococcus aureus was 2% (4/228) without other pathogenic bacteria,and two environment samples and two raw materials were positive for Staphylococcus aureus.The failure rates of domestic water,surface environmental samples and school meals in microorganism were 75%(6/8),79%(50/63) and 53%(21/40) respectively,without statistically difference(x2 =8.439,P=0.014).Conclusion The coliforms pollution of school meals processing in Jingmen City are general and the high risk hidden danger troubles of pathogenic bacterium are environment and raw materials.Supervision system for hygiene safety of school meals processing should be strengthened to make sure the security of school meal.