数字农科院2.0

Multi-omics reveals the effect of initial water content on the fermentation quality of cigar tobacco leaves

文献类型： 外文期刊

作者： Yumeng Gao;Lukuo Zhou;Wenlong Guo;Dewen Huang;Jian Liu;Yihui Wang;Yang Ning

作者机构：

关键词： Cigar tobacco leaves fermentation;Flavor;Initial water content;Metagenome;Untargeted metabolomics

期刊名称： Chemical and Biological Technologies in Agriculture

ISSN：

年卷期： 2025 年 12 卷 1 期

页码：

收录情况： SCIE（2025版）

摘要： Background: Fermentation, a fundamental process in the production of cigar tobacco leaves, substantially influences the improvement of tobacco leaf quality. The initial water content is a crucial factor that regulates the fermentation process. This research systematically analyzed the dynamics of volatile aroma components, microbial community structure, and differential metabolites during the fermentation of cigar tobacco under three initial water content conditions (H1, H2, and H3). Results: For three different initial water contents of cigar tobacco leaves, GC–MS analysis examined changes in key aroma compounds during the fermentation; Metagenomic analysis revealed differences in the microbial community composition of tobacco leaves, identifying characteristic microorganisms at the species level. Correlation analysis further elucidated the relationship between these characteristic microorganisms and flavor compounds; Untargeted metabolomics identified differential metabolites and their corresponding metabolic pathways during fermentation. Conclusion: The research findings provide theoretical guidance for further optimizing the fermentation process and enhancing the quality of cigar tobacco leaves.

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