Aldehyde metabolism in Maotai-flavor Baijiu: insights from integrated metagenomic and metaproteomic analyses.

Acetaldehyde and acetal are crucial to the flavor of Maotai-flavor Baijiu, affecting aroma release and sauce-aroma traits. Targeted control of acetaldehyde metabolic flux is critical for stabilizing base liquor quality. However, the diversity of acet…

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