九种动物性食品致病菌通用前增菌方法的研究

Journal of Heilongjiang Bayi Agricultural University(2010)

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Abstract
为探索快速多重检测食源性致病菌的方法,对污染动物性食品的大肠埃希氏菌O157:H7(EnterohemorrhagicEscherichiacoli O157:H7),副溶血性弧菌(Vibrio parahaemolyticus),创伤弧菌(Vibrio vulnificus),伤寒沙门氏菌(Salmonella typhi),金黄色葡萄球菌(Staphylococcus aureus),小肠结肠炎耶尔森氏菌(Yersinia enterocolitica),单核细胞增生李斯特氏菌(Listeriamonocytogenes),宋氏志贺氏菌(Shigella sonnei),荧光假单胞菌(Pseudomonas fluorescens)等九种致病菌进行了通用前增菌方法的研究。研究了培养基、培养温度和培养时间对九种菌前增菌效果的影响,结果表明:LB肉汤培养基,36℃培养18h,九种致病菌的增菌效果最好且数量级均衡一致,均达到108cfu·mL-1。
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Key words
food-borne,pathogens bacteria,universal preenrichment
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