探索 Lacticaseibacillus rhamnosus Probio-M9发酵牛奶的代谢动态,储存稳定性和功能潜力
Xiaoye Liu1, Kaiyang Liu1, Jie Yang1
1Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs; Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China.
Journal of dairy science
|November 17, 2024
概括
牛奶发酵过程中,Lacticaseibacillus rhamnosus Probio-M9 (Probio-M9) 经历了显著的代谢转变,而在储存后会积累. 这项研究提供了关于Probio-M9的见解.
科学领域:
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
- 代谢学 代谢学 代谢学
背景情况:
- Lacticaseibacillus rhamnosus Probio-M9 (Probio-M9) 是母乳中的益生菌菌株,以耐酸性和婴儿健康益处而闻名.
- 它作为牛奶发酵和相关代谢变化的起始培养物的潜力尚未得到充分证实.
研究的目的:
- 为了研究牛奶发酵过程中Probio-M9的动态代谢变化.
- 在28天的储存期内评估Probio-M9发酵牛奶的代谢稳定性.
主要方法:
- 益生菌-M9被用作牛奶发酵的唯一起始培养物.
- 定期采集样本,以监测发酵的进展.
- 使用超高性能液态染色学四极飞行时间质谱法 (UHPLC-QTOF-MS) 进行了代谢物分析.
主要成果:
- 确定了34种不同的代谢物,包括,糖,酸和氨基酸.
- 重要的代谢转变发生在发酵10.5至12小时之间.
- 功能代谢物如甲基和白血酸在发酵晚期积累,而在储存28天后占主导地位.
结论:
- 这项研究揭示了Probio-M9在发酵和储存过程中的关键代谢动态.
- 这些发现可以指导优化Probio-M9发酵牛奶生产.
- 结果强调了在储存后稳定性方面的重要性.
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