市售卤牛肉中腐败菌的分离鉴定

Caiyun LIU, Quanxin ZHU,Yanhao FANG,Wenqi ZHANG,Jianmei ZHANG, Luyin DENG,Ying ZHU,Zhiye WANG,Heping MA,Jianning SHAO

Meat Industry（2020）

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Abstract

为了有针对性地控制本地市售卤牛肉中微生物污染,延长产品货架期,采用平板划线分离法对卤牛肉中的优势腐败菌进行分离筛选.再采用传统微生物培养方法,根据细菌的菌落形态、菌体形态、革兰氏染色等特征,结合16S rDNA序列分析方法,对分离筛选出的菌株进行鉴定.结果表明,引起本地市售卤牛肉腐败变质的优势腐败菌是魏斯氏菌(Weissella viridescens strain WM33)和佐氏库特氏菌(Kurthia zopfii).

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