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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 whether Nantong milk in market contains fresh milk antibiotic decomposer-β-lactamase. Methods The β-lactamases in milk samples were detected by the “Method for the determination of sulbactam-sensitive β-lactamases in milk and dairy products-cup and dish method” promulgated by the Ministry of Health. Results Five companies were tested for 102 milk, of which two out of 15 were detected beta-lactamase. The differences in the diameter of bacteriostasis (B-A) between 15 and β-lactamase-positive milk samples ranged from 3.9 to 17.9 mm. Conclusion Some of the commercial milk of Nantong City detected β-lactamase, there are some hidden dangers of food safety, measures should be taken to strengthen supervision.