Multiomics analysis of microbial succession and flavor formation mechanism during the fermentation process of Maotai-flavour Baijiu.

ABSTRACT: This study employed metagenomics and metabolomics techniques to investigate the complex relationship between microbial succession and the formation of flavor compounds during the fermentation process of Maotai-flavour Baijiu. Results demonstrated that stacking fermentation, characterized by Weissella, Pichia, and Aspergillus, which secreted amylases and proteases to hydrolyze starch and proteins. Pitting fermentation facilitated the enrichment of anaerobic microbes such as Acetilactobacillus and Pichia, significantly promoting the synthesis of key flavor compounds, including esters, alcohols, and acids, through Glycosyltransferase and Esterification activities. Volatile compound analysis revealed distinct stage-specific profiles, with acids, alcohols, and

SUBMITTER: Shi X 

PROVIDER: S-EPMC12663491 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature