南通市市售牛乳中β-内酰胺酶检测结果分析

Analysis on the detection results of β-Lactamase in commercial milk product in Nantong

目的调查南通市市售牛乳中是否含有生鲜牛乳抗生素分解剂—β-内酰胺酶。方法采用卫生部颁布的"乳及乳制品中舒巴坦敏感β-内酰胺酶类药物检验方法—杯碟法"检测牛乳样品中的β-内酰胺酶。结果5家公司被检测102份牛乳,其中有2家共15份被检出β-内酰胺酶。15份β-内酰胺酶阳性的牛乳标本抑菌圈直径差值(B-A)在3.9～17.9 mm之间。结论南通市部分市售牛乳检出β-内酰胺酶,有一定的食用安全隐患,应采取措施加强监管。

Objective To investigate antibiotic decomposition of raw milk β-lactamase residues in milk samples of commercially availability in Nantong,and to provide the basis for reasonably controlling β-lactamase added in milk.Methods To test β-lactamase in milk samples employing 'sulbactam sensitive β-lactamases drug test method-cup method,in milk and milk products' published by Ministry of Health.Results Among 102 milk samples from 5 manufactures,β-lactamase was detected in 15 samples(relevance ratio:14.7%) from 2 factories.The differences between bacteriostatic ring of 15 positive samples were among 3.9-17.9 mm.Conclusion β-lactamase adding residues are available in commercial milk products in the market of Nantong,and some residues are tremendous,which would make food safety hazards to some extent.So it's necessary to enhance administration and control.