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Microbial and Enzymatic Changes in Cigar Tobacco Leaves During Air-curing and Fermentation by Qing Zhang; Guanghui Kong; Gaokun Zhao; Jun Liu; Honggang Jin; Zhihua Li; Guanghai Zhang; Tao Liu is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Microbial and Enzymatic Changes in Cigar Tobacco Leaves During Air-curing and Fermentation about?
## Abstract Metabolic enzyme activity and microbial composition of the air-curing and fermentation processes determine the quality of cigar tobacco leaves (CTLs). In this study, we reveal the evolution of the dominant microorganisms and microbial community structure at different stages of the air-curing and fermentation processes of CTLs. The results showed that the changes in metabolic enzymes occurred mainly during the air-curing phase, with polyphenol oxidase (PPO) being the most active at the browning phase. __Pseudomonas__, __Bacteroides__, __Vibrio__, __Monographella__, __Bipolaris__, and __Aspergillus__ were the key microorganisms in the air-curing and fermentation processes. Principal coordinate analysis revealed significant separation of microbial communities between the air-curing and fermentation phases. Redundancy analysis showed that bacteria such as __Proteobacteria__, __Firmicutes__, __Bacteroidota__, and __Acidobacteriota__ and fungi such as __Ascomycota__ and __Basidiomycota__ were correlated with enzyme activity and temperature and humidity. Bacteria mainly act in sugar metabolism, lipid metabolism, and amino acid metabolism, while fungi mainly degrade lignin, cel
Who reads Microbial and Enzymatic Changes in Cigar Tobacco Leaves During Air-curing and Fermentation?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Qing Zhang; Guanghui Kong; Gaokun Zhao; Jun Liu; Honggang Jin; Zhihua Li; Guanghai Zhang; Tao Liu
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)