2015年哈尔滨部分高等院校食堂餐具消毒检测分析

Analysis of tableware disinfection in some colleges and universities canteens in Harbin in 2015

目的对哈尔滨市辖区部分高校消毒餐具的消毒情况进行质量评估。方法以常见致病菌、大肠菌群作为指示菌,并将大肠菌群参照食(饮)具消毒卫生标准(GB14934—1994)及国际标准进行定量划分层级,依据大肠菌群各层级的检出率对各院校的卫生状况进行优、良、中、差的评价。结果共检测832批样本,检出A级样本736批,占样本总数的88.46%;B级样本37批,占样本总数的4.45%;C级样本25批,占样本总数的3.0%;D级样本34批,占样本总数的4.09%。检出风险样品96批,检出率为11.54%。其中消毒盘、消毒碗的检出率分别为10.56%、12.42%,消毒杯未检出。结论所有样本未检出致病菌,哈尔滨市辖区内高校食堂无显性安全隐患;依据大肠菌群各层级的检出率对各院校的卫生状况进行了评价,其中优级院校6所、良级院校5所、中级院校5所、差级院校8所。

Objective To assess the quality of tableware disinfection in some colleges and universities in Harbin. Methods Taking common pathogens and coliform bacteria as indicator strain,and quantifying the levels of division to the bacteria with reference to GB14934—1994 and international standards,we evaluated the health status of all institutions involved into four levels as excellence,good,medium and poor according to the detection rate of coliform in different levels. Results 832 batches of samples were detected,including 736 batches of grade A samples,accounting for 88. 46% 37 batches of grade B samples,accounting for 4. 45%; and 25 batches of grade C samples,accounting for 3. 0%; 34 batches of the grade D samples,accounting for4. 09%. 96 batches of risky samples were detected,with the detection rate of 11. 54%. Among all the samples,the detection rates of disinfected plates and bowls were 10. 56% and 12. 42%,and these bacteria were not detected in disinfected cup. Conclusion No pathogenic bacteria were detected in the samples,and there was no hidden safety hazard in colleges and universities canteens in Harbin. According to the detection rate in levels of coliform in colleges and universities were sort out 6 colleges and universities in excellence,5 in good class,5 in medium class and 8 in poor class.