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首页> 外文期刊>Food microbiology >Antilisterial activity of bacteriocinogenic Pediococcus acidilactici HA6111-2 and Lactobacillus plantarum ESB 202 grown under pH and osmotic stress conditions
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Antilisterial activity of bacteriocinogenic Pediococcus acidilactici HA6111-2 and Lactobacillus plantarum ESB 202 grown under pH and osmotic stress conditions

机译：pH和渗透胁迫条件下生长的产细菌致酸乳酸球菌HA6111-2和植物乳杆菌ESB 202的抗李斯特菌活性

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摘要

Bacteriocin producing lactic acid bacteria (LAB) cultures can be used as biopreservatives in fermented food products; thus the food industry is interested in stable cultures that produce bacteriocins consistently. Inhibtion of Listeria spp. by bacteriocinogenic Pediococcus acidilactici and Lactobacillus plantarum (both isolated from fermented meats) was investigated under conditions of stress induced by low pH and high salt concentrations. Listeria monocytogenes serogroup Ⅱb (from cheese), L. monocytogenes serogroup Ⅳb (from cheese), L. monocytogenes serogroup Ⅱb (from ground beef) and Listeria innocua NCTC 11288 were used as target strains. P. acidilactici and Lb. plantarum demonstrated antilisterial activity under the stress conditions investigated (pH 3.5; pH 8.5; 7.5% NaCl). However, activity was dependent on the stress conditions applied and on the target organism. L. monocytogenes serogroup Ⅱb (from ground beef) and L. innocua C 11288 were, respectively the most sensitive and the most resistant to the cell-free supernatants produced by the LAB investigated.
机译：产生细菌素的乳酸菌（LAB）培养物可以用作发酵食品中的生物防腐剂。因此，食品工业对稳定产生细菌素的稳定培养感兴趣。抑制李斯特菌在低pH值和高盐浓度引起的胁迫条件下，研究了乳酸菌乳酸杆菌和植物乳杆菌（均从发酵肉中分离）的致癌作用。以单核细胞增生李斯特菌血清Ⅱb（来自干酪），单核细胞增生李斯特菌血清Ⅲb（来自干酪），单核细胞增生李斯特菌Ⅱb血清（来自碎牛肉）和无病李斯特菌NCTC 11288作为目标菌株。体育乳酸杆菌和Lb。车前草在所研究的胁迫条件下（pH 3.5； pH 8.5； 7.5％NaCl）显示出抗李斯特菌活性。但是，活性取决于所施加的压力条件和目标生物。单核细胞增生李斯特氏菌血清群Ⅱb（来自碎牛肉）和无毒李斯特菌C 11288分别对所研究的LAB产生的无细胞上清液最敏感和最有抵抗力。

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  • 来源
    《Food microbiology》 |2015年第6期|109-115|共7页
  • 作者

    Tekla Engelhardt; Helena Albano; Gabriella Kisko; Csilla Mohacsi-Farkas; Paula Teixeira;

  • 作者单位

    Department of Microbiology and Biotechnology, Corvinus University of Budapest, H-1118 Budapest, Somloiut 14-16, Hungary;

    CBQF-Centro de Biotecnologia e Quimica Fina, Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Portugal;

    Department of Microbiology and Biotechnology, Corvinus University of Budapest, H-1118 Budapest, Somloiut 14-16, Hungary;

    Department of Microbiology and Biotechnology, Corvinus University of Budapest, H-1118 Budapest, Somloiut 14-16, Hungary;

    CBQF-Centro de Biotecnologia e Quimica Fina, Laboratorio Associado, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa/Porto, Portugal;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Pediococcus acidilactici; Lactobacillus plantarum; Bacteriocin; Stress conditions; Bio-preservatives; Listeria spp;

    机译：乳酸小球菌;植物乳杆菌;细菌素压力条件;生物防腐剂;李斯特菌;

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