南京市部分市售调味酱的微生物检测与分析

Microbial detect and analysis of some bechamels in Nanjing market

对南京江宁区部分市售调味酱进行大肠菌群和致病菌的检测。结果表明:从农贸市场和超市分别随机抽取的20份调味酱中,超市来源的调味酱大肠菌群超标率为15%,农贸市场来源的调味酱大肠菌群超标率为55%。大肠菌群指标合格率与季节变化和包装方式有关,第二、三季度合格率较低,超市分别为60%和80%,农贸市场分别为20%;散装的不合格率较高为62.5%。抽查的40份样品中有两份检出致病菌沙门氏菌。

The Coliform groups and pathogenic bacteria of some bechamels were tested in Nanjing market.Result showed that in the 20 bechamels separately come from terminal market and supermarket,the rate of coliform groups number exceeds the allowed figure is 15% in supermarket bechamels and 55% in terminal market bechamels.The qualification rate of coliform groups number of bechamels are correlative with the change of season and pack mode,the qualification rate is low in the second and third seasons,60% and 80% respectively in supermarket,and 20% respectively in terminal market,the disqualification rate is 62.5% in bulked bechamels.The pathogenic bacteria salmonella is picked out in two shares of 40 share bechamels.