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目的了解长春市市售婴儿配方奶及其谷物食品中阪崎肠杆菌和金黄色葡萄球菌的污染状况,为卫生监管提供可靠依据。方法分离采用阪崎肠杆菌和金黄色葡萄球菌的显色培养基,鉴定用全自动微量生化仪。结果56份配方奶阪崎肠杆菌检出率为8.9%,金黄色葡萄球菌检出率为3.6%,94份婴幼儿谷物食品阪崎肠杆菌检出率为26.6%,金黄色葡萄球菌检出率为8.5%,阪崎肠杆菌定量结果为0.3～>110 MPN/100 g不等。结论该市市售婴儿配方奶及谷物食品中存在阪崎肠杆菌和金黄色葡萄球菌的安全隐患。
Objective To understand the contamination status of Enterobacter sakazakii and Staphylococcus aureus in the market of infant formula and its cereal products in Changchun and provide a reliable basis for health supervision. Methods The color medium of Enterobacter sakazakii and Staphylococcus aureus was isolated and identified by automatic micro-analyzer. Results The detection rate of Enterobacter sakazakii was 56%, the detection rate of Staphylococcus aureus was 56%, the detection rate of Enterobacter sakazakii in 94 infant formula was 26.6%, Staphylococcus aureus The rate of Enterobacter sakazakii was 8.5%. The quantitative results of Enterobacter sakazakii ranged from 0.3 to> 110 MPN / 100 g. Conclusion There is a potential safety hazard of Enterobacter sakazakii and Staphylococcus aureus in the commercially available infant formula and cereal products in the city.