猪肠道来源乳杆菌的益生特性研究

被引:4
作者
曾宪鹏
赵玉鉴
王影
李倬林
机构
[1] 吉林省农业科学院农产品加工研究所
关键词
乳酸菌; 耐酸; 耐胆盐; 抗氧化;
D O I
暂无
中图分类号
S852.6 [家畜微生物学(兽医病原微生物学)];
学科分类号
090507 [智慧养殖与动物生产学];
摘要
6株猪肠道来源的新分离菌株,经革兰氏染色和生化鉴定为乳杆菌(Lactobacill)i。对6株分离菌株的耐酸特性、耐胆盐特性及抗氧化活性进行研究。结果表明,6株受试菌株对低pH值和胆盐具有良好的耐受能力,其中菌株P1-3在pH值为2.0,培养3 h,存活率为63.53%;在含有1.0%胆盐的MRS培养基中培养4 h,存活率仍可达到92.11%。所有菌株具有一定的体外羟自由基和DPPH自由基清除作用。
引用
收藏
页码:74 / 77
页数:4
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