食物传播病原体对来自牛奶的乳酸细菌超级生物的敏感性:一个全面的元回归研究
Nathália Fernandes1,2, Yara Loforte1,2,3, Vasco Cadavez1,2
1Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
Foods (Basel, Switzerland)
|August 29, 2024
概括
乳酸细菌 (LAB) 超级生物对食源性病原体表现出可变的抗菌作用. 某些LAB属对特定细菌更有效,具有酸性增强抑制,表明乳制品中的生物控制潜力.
科学领域:
- 食品微生物学 食品微生物学
- 抗菌剂 抗菌剂 抗菌剂
- 乳制品科学 乳制品科学
背景情况:
- 乳酸细菌 (LAB) 在乳制品发酵中至关重要.
- 病原性细菌如沙门氏菌,单细胞菌菌和金黄色葡萄球菌在乳制品中构成风险.
- 了解LAB的抗菌潜力是食品安全的关键.
研究的目的:
- 系统地审查和元分析LAB超级生物对沙门氏菌,L. monocytogenes和S. aureus的体外抗菌疗效.
- 为了确定影响LAB抑制活性的因素.
- 评估LAB在乳制品应用中的生物控制潜力.
主要方法:
- 在PubMed,Scopus和Web of Science数据库中的系统文献搜索.
- 包括39项研究,包括510项关于抗微生物疗效的观察.
- 超回归分析以评估抑制直径上的调节效应.
主要成果:
- 科克斯属对L. monocytogenes (15.90 ± 2.138毫米) 显示了最高的抑制.
- 乳酸菌菌株对S. aureus (11.89 ± 0.573毫米) 是最有效的.
- 较高的超酸度与增加的抑制直径相关 (p < 0.001).
结论:
- LAB菌株具有可变的能力来抑制常见的食源性病原体.
- 与沙门氏菌相比,L. monocytogenes对LAB抑制的敏感性更大. 和黄金色的S.
- 精选的LAB菌株具有抗菌能力,适用于奶酪制造中的生物控制策略.
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