Ma Pingping, Li Yanke, Hao Jingjing, Lu Han, He Yannan, Wei Lihua, Ai Lianzhong, Wang Shijie
College of Food Science and Biology Hebei University of Science and Technology Shijiazhuang Hebei China.
Junlebao Dairy Co., LTD. Shijiazhuang Hebei China.
Food Sci Nutr. 2025 May 6;13(5):e70182. doi: 10.1002/fsn3.70182. eCollection 2025 May.
Incorporating into fermented milk alters the balance between and . We investigated the bacterial interaction and metabolism post-fermentation and during 21-day storage. Utilizing non-targeted metabolomics and electronic nose technology, we assessed impacts on product quality and flavor. significantly increased the viability of the other two species, with AI-2 levels rising in the mixed culture. Metabonomic analysis revealed distinct metabolic profiles, with -fermented milk showing enriched key metabolites. Volatile compounds like ketones, aldehydes, esters, alcohols, and acids were identified, with 2-heptanone and 2-pentanone as initial discriminators and 2-pentanone and acetaldehyde as key flavor compounds after storage. This study advances understanding of symbiotic interactions and metabolite profiles in fermented dairy ecosystems.
掺入发酵乳中会改变[具体物质1]和[具体物质2]之间的平衡。我们研究了发酵后及21天储存期间的细菌相互作用和代谢情况。利用非靶向代谢组学和电子鼻技术,我们评估了对产品质量和风味的影响。[具体物质1]显著提高了其他两种菌种的活力,混合培养物中的AI-2水平升高。代谢组学分析揭示了不同的代谢谱,[具体物质1]发酵乳显示关键代谢物富集。鉴定出了酮、醛、酯、醇和酸等挥发性化合物,2-庚酮和2-戊酮为初始鉴别物,储存后2-戊酮和乙醛为关键风味化合物。本研究推进了对发酵乳制品生态系统中共生相互作用和代谢物谱的理解。
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