Methods The minimum inhibitory concentration(MIC) was determined by external test tube method.
方法采用体外试管法测定洁而舒洗剂最小抑菌浓度；
The minimum inhibitory concentration of the three natural preservatives was determined by virtue of agar diffusion method;
然后利用琼脂扩散法对筛选得出的三种天然保鲜剂最小抑菌浓度确定；
The minimum inhibitory concentration(MIC) of S. aureus to fluoroquin olone wre determined with tuber twice dilution for all isolates.
对从牛、鸡和猪等动物源性金黄色葡萄球菌采用试管二倍稀释法进行了最小抑菌浓度（MIC）测定。
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