使用本地酵母生物控制奶酪腐烂菌
Catalina M Cabañas1,2, Alejandro Hernández León1, Santiago Ruiz-Moyano1,2
1Departamento de Producción Animal y Ciencia de los Alimentos, Nutrición y Bromatología, Escuela de Ingenierías Agrarias, Universidad de Extremadura, Avd. Adolfo Suárez s/n, 06007 Badajoz, Spain.
Foods (Basel, Switzerland)
|July 29, 2025
概括
这项研究探讨了生奶奶酪中的酵母作为天然防腐菌的食品防腐剂. 某些酵母菌株,如Geotrichum candidum和Pichia jadinii,显示出显著的抗真菌活性,提供了有前途的生物控制替代品.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 生物技术是生物技术.
背景情况:
- 化学防腐剂在食品保存方面存在风险.
- 使用微生物进行生物控制提供了一个可持续的替代方案.
- 来自传统食物来源的酵母是潜在的生物控制剂.
研究的目的:
- 选原生酵母从生牛奶奶酪对抗食物腐烂模具的抗真菌活性.
- 识别具有生物控制潜力的特定酵母物种和菌株.
- 研究酵母对抗的机制和影响因素.
主要方法:
- 使用对抗试验对84种本地酵母菌株进行查,对抗Penicillium commune,Fusarium verticillioides和Mucor plumbeus/racemosus.
- 模拟成熟条件 (温度) 对酵母抗作用的影响.
- 对抗真菌机制的分析,包括酶活性,挥发性有机化合物和竞争.
- 在乳酪矩阵评估选定的酵母菌株的疗效.
主要成果:
- 十五种酵母菌株 (Pichia jadinii,Kluyveromyces lactis,Kluyveromyces marxianus,Geotrichum candidum) 显示出显著的对抗作用.
- 温度被确定为影响酵母对抗性的关键因素.
- 乳糖菌株产生抗真菌挥发性有机化合物,并竞争营养.
- 在奶酪中,G. candidum GC663和P. jadinii PJ433在控制F. verticillioides和M. plumbeus/racemosus方面表现出高效率.
结论:
- 精选的酵母菌株,特别是G. candidum GC663和P. jadinii PJ433,显示出作为食品保存生物控制剂的巨大潜力.
- 抗真菌活性是菌株特异性的,并通过多种机制进行介导.
- 需要进一步的研究来优化它们的应用,并评估它们对产业规模奶酪质量的影响.
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