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September 28, 2025Bioresources and BioprocessingOpen Access

Characterization of fermentation parameters, volatile compounds and microbial community structure of fermented grains in the upper and lower layers during strong-flavor Baijiu fermentation

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Authors

JDJie DengCHChuan HeCWChunhui Wei

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Overview

Study shows differences in fermentation parameters and microbial communities in fermented grains, indicating implications for strong-flavor Baijiu.

Key Points

  • Distinct microbial communities were identified in the upper and lower layers of fermented grains, influencing fermentation dynamics.
  • The analysis revealed significant differences in volatile compounds and fermentation parameters after 30 days of processing.
  • Higher diversity of short-chain fatty acids was noted in lower-layer grains compared to upper-layer grains, impacting flavor profiles.
  • Correlation analyses suggest acid-producing microorganisms contribute to the elevated SCFA levels observed in lower-layer fermented grains.

Cite This Study

Deng et al. (2025) studied this question.

synapsesocial.com/papers/68d9052941e1c178a14f57a1https://doi.org/10.1186/s40643-025-00916-2
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