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研究新疆特有的丰富乳酸细菌的益生菌性质和元素的分布

Jingshu Chen^1,2, Yiming Jia^1,2, Huizi Chensheng^1,2

¹College of Food Science and Engineering, Tarim University, Alar 843300, China.

Foods (Basel, Switzerland)

|October 29, 2025

概括

这项研究确定了八种能够高丰富的乳酸细菌 (LAB) 菌株,增强抗氧化能力和肠道耐受性. 41号菌株在功能性食品应用中表现出卓越的性能.

科学领域:

微生物学微生物学
生物化学生物化学
食品科学食品科学食品科学

背景情况:

对人类健康和功能性食物的发展至关重要.
益生菌中的有机形式增强了生物可用性.
乳酸细菌 (LAB) 是丰富的关键候选者.

研究的目的:

为了研究新疆LAB菌株的丰富潜力.
了解LAB中的的代谢调节机制.
为了评估丰富的LAB在食品应用中的功能性质.

主要方法:

对50个LAB菌株进行查,以检测它们对化的耐受性和丰富性.
优化丰富条件 (温度,NaCl,pH) 的优化.
评估抗氧化能力 (DPPH,ABTS) 和胃肠液耐受性.
局部化 (SEM-EDX) 和整合 (蛋白质组学,代谢组学) 的表征.

主要成果:

在优化条件下 (在37°C,2%NaCl,pH6.0) 八种LAB菌株实现了>80%的丰富.
富含的LAB表现出增强的抗氧化活性和胃肠道耐受性,其中No.41菌株最有效.
SEM-EDX证实了细胞表面上的纳米级;被纳入了蛋白,核酸和多糖.
代谢和蛋白质组分析揭示了对L-氨酸代谢的影响,导致氨酸和氨酸的合成,影响抗氧化剂,能量和膜稳定性通路.

结论:

精选的LAB菌株有效丰富,改善功能性质.
在LAB中的代谢涉及囊替代和对酶的竞争,产生蛋白.
这些发现支持用于功能性食品和保健补充剂的丰富益生菌的开发.

关键词:

整合性电话学是什么意思益生菌的属性益生菌的属性纳米粒子是一种纳米粒子.用丰富的LAB可以使用.单蛋白质是一种单蛋白质.

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