Journal
FRONTIERS IN MICROBIOLOGY
Volume 12, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2021.649978
Keywords
tangerine wine; high-throughput sequencing; fermentation microbiota; metabolites; Non-Saccharomyces cerevisiae
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Funding
- National Natural Science Foundation of China [31760021]
- Key Research Plan of the Jiangxi Province Science Foundation [20171ACF60007]
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Understanding the evolution of microorganisms and metabolites during wine fermentation is crucial for controlling production. The core microbiota, including bacterial genera like Lactobacillus and Acetobacter, and fungal genera like Hanseniaspora, Pichia, and Saccharomyces, play a significant role in determining the quality and quantity of fruit wine, particularly Nanfeng tangerine wine. The results of this study provide valuable insights into the impact of core functional microbiota on the volatile flavor production in Nanfeng tangerine wine, potentially leading to improved quality and development of effective production strategies.
Understanding the evolution of microorganisms and metabolites during wine fermentation is essential for controlling its production. The structural composition and functional capacity of the core microbiota determine the quality and quantity of fruit wine. Nanfeng tangerine wine fermentation involves a complex of various microorganisms and a wide variety of metabolites. However, the microbial succession and functional shift of the core microbiota in this product fermentation remain unclear. Therefore, high-throughput sequencing (HTS) and headspace-gas chromatography-mass spectrometry (HS/GC-MS) were employed to reveal the core functional microbiota for the production of volatile flavors during spontaneous fermentation (SF) and inoculated fermentation (IF) with Saccharomyces cerevisiae of Nanfeng tangerine wine. A total of 13 bacterial and 8 fungal genera were identified as the core microbiota; Lactobacillus and Acetobacter were the dominant bacteria in SF and IF, respectively. The main fungal genera in SF and IF were Hanseniaspora, Pichia, and Saccharomyces with a clear succession. In addition, the potential correlations analysis between microbiota succession and volatile flavor dynamics revealed that Lactobacillus, Acetobacter, Hanseniaspora, and Saccharomyces were the major contributors to the production of the volatile flavor of Nanfeng tangerine wine. The results of the present study provide insight into the effects of the core functional microbiota in Nanfeng tangerine wine and can be used to develop effective strategies for improving the quality of fruit wines.
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