生物功能的属性和储存研究的牛奶发酵Enterococcus italicus
Yingxin Huo1, Daolei Zhang2, Xiaona Wang3
1College of Life Science, Shandong Normal University, Jinan 250358, China.
International journal of food microbiology
|July 28, 2024
概括
Enterococcus italicus FM5是一种新型益生菌,增强发酵牛奶的抗氧化能力和质地. 这种乳酸细菌还促进了传统酸奶开头的生长,改善了整体产品质量.
科学领域:
- 食品微生物学 食品微生物学
- 益生菌和益生菌和益生菌.
- 食品科学与技术 食品科学与技术
背景情况:
- 乳酸细菌 (LAB) 以其益生菌性质和天然抗氧化能力而闻名,使其在食品工业中具有价值.
- 具有增强功能属性的新型LAB菌株的隔离和表征对于开发改进的食品至关重要.
研究的目的:
- 从新鲜牛奶中分离和表征一种强有力的抗氧化剂乳酸细菌菌株.
- 为了评估分离的菌株Enterococcus italicus FM5.5的安全性和功能性质,
- 评估E. italicus FM5与传统酸奶开胃剂共同培养对发酵牛奶质量的影响.
主要方法:
- 从新鲜牛奶中分离和鉴定Enterococcus italicus FM5.
- 安全性评估包括抗生素敏感性和血液溶解活性测试.
- 全基因组测序和生物信息分析E. italicus FM5.
- 与Streptococcus thermophilus和Lactobacillus bulgaricus共同种植的实验用于发酵牛奶的生产.
- 评估抗氧化活性 (DPPH,ABTS,OH-,O2-激素清除),时间,水容量和微生物生长.
主要成果:
- 肠球菌 (Enterococcus italicus FM5) 显示出强烈的抗氧化活性,并被证实是安全的 (非溶血性,对常见抗生素敏感).
- 在共同培养中,E. italicus FM5与S. thermophilus和Lb. 布尔加里克斯显著增强了发酵牛奶的抗氧化能力,具有各种激素的高清除率.
- 添加E. italicus FM5减少了乳酪形成时间,并提高了发酵牛奶的水容量.
- E. italicus FM5 显著促进了 Lb. 的生长. 布尔加里克斯,导致发酵产品中的可活细胞数量增加.
结论:
- 伊塔利克菌 (Enterococcus italicus FM5) 是一种有前途的益生菌菌株,具有显著的抗氧化特性,对发酵牛奶生产有有益影响.
- 将E. italicus FM5与传统的酸奶开剂共同种植提供了一种可行的策略,以提高发酵牛奶的营养和功能质量.
- 这项研究强调了E. italicus FM5在开发新型高价值发酵乳制品方面的潜力.
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