What question did this study set out to answer?

The research aims to uncover how flavor-related compounds and microbial dynamics change during the fermentation of Dazu mustard over time.

Integrated volatile metabolomic and microbiome profiling reveals flavor-driving compounds and interaction networks during long-term fermentation of Dazu preserved mustard

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Examines flavor compounds and interactions in long-term fermentation of Dazu mustard, highlighting microbial roles.

The research aims to uncover how flavor-related compounds and microbial dynamics change during the fermentation of Dazu mustard over time.
Profiled metabolic fingerprints and microbial composition using 16S rRNA sequencing and PICRUSt2.
Analyzed flavor-active compounds at different fermentation stages via GC-MS.
Examined microbial diversity and shifts in composition throughout the fermentation process.
Mapped microbe-metabolite interactions using network analysis.
Identified distinct flavor profiles: fruity esters early on, floral alcohols in the middle, and sulfur volatiles later.
Observed shifts toward Firmicutes and Lentibacillus during fermentation, which impacted flavor complexity.
Lentibacillus emerged as a crucial driver of flavor changes at the final fermentation stage.
Established positive and negative microbial interactions influencing flavor formation.

Xiong et al. (2026) studied this question.

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