温州市桶装饮用水微生物污染状况调查

Microbial detection and analysis on barreled drinking water in Wenzhou

目的了解温州市桶装饮用水卫生微生物污染状况,分析其饮用安全性,为有关部门加强生产企业的监督管理提供科学依据。方法按国家标准方法对桶装饮用水进行菌落总数、大肠菌群、铜绿假单胞菌测定和评价。结果 3 838份桶装饮用水样品,总合格率为60.34%,以菌落总数和铜绿假单胞菌超标为主,而各个季度合格率最高的是第一季度,其次是第四季度,各类桶装饮用水中矿泉水合格率最高为62.76%,最低为经饮水机冷水出口的桶装饮用水为55.10%,温州不同地区桶装饮用水超标率最高的是瑞安。结论温州地区桶装饮用水卫生微生物污染状况严重,存在较严重的卫生隐患,应引起我们和相关部门的关注和重视,加强监督与管理,同时企业自身应加强对产品的质量管理,指导消费者合理安全选用桶装饮用水。

Objective To understand the microorganisms in bottled drinking water,to analysis the drinking safety,to provide scientific basis for the departments to strengthen the supervision and management. Methods The total number of colony,E. coli bacteria,and Pseudomonas aeruginosa in barreled drinking water were detected and evaluated according to the national standards. Results The total qualification ratio of 3 838 samples of barreled drinking water was 60. 34%,which was mainly caused by the total number of colonies and Pseudomonas aeruginosa. Each quarter qualified rate was the highest in the first quarter,followed by the fourth quarter. The qualified rate of mineral water was 62. 78%. The lowest water dispenser outlet of bottled drinking water was 55. 10%. Wenzhou different regions of bottled drinking water exceeded the standard rate is the highest in Ruian. Conclusion Bottled drinking water hygiene microbial pollution serious should cause us and relevant departments of the concern and attention,to strengthen the supervision and management. At the same time,enterprises should strengthen the management of the quality of the product,to guide the public reasonable safety use bottled drinking water.