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5. 冷藏酱鸭中乳酸菌的分离鉴定及生物学特性研究

冷藏酱鸭中乳酸菌的分离鉴定及生物学特性研究

来源 :湖北农业科学 | 被引量 : 0次 | 上传用户：seo57364

【摘 要】

：

从冷藏的酱鸭中分离筛选乳酸菌,对其进行生理生化特性研究和分子学鉴定.结果表明,从冷藏酱鸭中筛选到2株优良乳酸菌,分别命名为J1、J2.结合细菌形态学、生理生化特性和16S rD

【作 者】

：

陈娟娟 周延清 李静云 张喻 王婉珅 范玉霞 常钊 岳晓杰 

【机 构】

：

河南师范大学生命科学学院,周口市科技局

【出 处】

：

湖北农业科学

【发表日期】

：

2004年期

【关键词】

：

酱鸭 乳酸菌 分离 鉴定 sauce duck lactic acid bacteria isolation identification 

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论文部分内容阅读

从冷藏的酱鸭中分离筛选乳酸菌,对其进行生理生化特性研究和分子学鉴定.结果表明,从冷藏酱鸭中筛选到2株优良乳酸菌,分别命名为J1、J2.结合细菌形态学、生理生化特性和16S rDNA序列同源性以及系统进化树分析表明J1、J2为副干酪乳杆菌亚种(Lactobacillus paracasei subsp.),具有比较好的发酵产酸的能力,并且对大肠杆菌(Escherichia coli)和金黄色葡萄球菌(Staphy lococcus aureus)具有很强的抑制作用,能够耐受极端的pH环境.

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