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Food Science and Human Wellness 2022, 11(3): 727-737 https://doi.org/10.1016/j.fshw.2021.12.030
Research Article | Open Access | Issue | Published: 04 February 2022

Fermentation characteristics and probiotic activity of a purified fraction of polysaccharides from Fuzhuan brick tea

Show Author's Information Guijie Chena,  Ziqi Zenga,  Minhao Xieb,  Yujia Penga,  Wangting Zhoua,  Weiqi Xua,  Yi Suna,  Xiaoxiong Zenga( ),  Zhonghua Liuc,d( )
College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
Collaborative Innovation Center for Modern Grain Circulation and Safety, College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China
Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Changsha 410128, China

Peer review under responsibility of KeAi Communications Co., Ltd.

Keywords:
Gut microbiota, Polysaccharide, Fuzhuan brick tea, Fermentation characteristics
Cite this article:
Chen G, Zeng Z, Xie M, et al. Fermentation characteristics and probiotic activity of a purified fraction of polysaccharides from Fuzhuan brick tea. Food Science and Human Wellness, 2022, 11(3): 727-737. https://doi.org/10.1016/j.fshw.2021.12.030
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Abstract Full text About this article

Polysaccharides from Fuzhuan brick tea (FBTPS), one of most important bioactive components in tea, showed various health-promoting functions. Our previous work demonstrated that the crude FBTPS (CFBTPS) could modulate the gut microbiota. However, which purified fraction in CFBTPS contributing to the modulation of gut microbiota remains unclear. Thus, the fermentation characteristics and probiotic activity of a purified fraction (FBTPS-2-1) of CFBTPS were evaluated in this work. The results showed that gut microbiota could utilize FBTPS-2-1 to produce short-chain fatty acids including acetic, propionic, n-butyric and n-valeric acids. FBTPS-2-1 could modulate the structure and metabolic pathways of gut microbiota. FBTPS-2-1 could increase the health-promoting gut microbiota such as Prevotellaceae and Bifidobacteriaceae, and decreased the harmful bacteria such as Enterobacteriaceae and Fusobacteriaceae. The results of metagenomics showed that Prevotella copri and Megamonas funiformis were the dominant bacteria after fermentation of FBTPS-2-1. Furthermore, FBTPS-2-1 could regulate the biosynthesis and metabolism pathways of gut microbiota. Thus, the enrichment of food with FBTPS-2-1 is expected as a potential strategy for promoting human health due to modulation of gut microbiota.


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About this article

Fermentation characteristics and probiotic activity of a purified fraction of polysaccharides from Fuzhuan brick tea

Show Author's information Guijie Chena, Ziqi Zenga, Minhao Xieb, Yujia Penga, Wangting Zhoua, Weiqi Xua, Yi Suna, Xiaoxiong Zenga( ), Zhonghua Liuc,d( )
College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
Collaborative Innovation Center for Modern Grain Circulation and Safety, College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China
Key Laboratory of Ministry of Education for Tea Science, Hunan Agricultural University, Changsha 410128, China
National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Changsha 410128, China

Peer review under responsibility of KeAi Communications Co., Ltd.

Abstract

Polysaccharides from Fuzhuan brick tea (FBTPS), one of most important bioactive components in tea, showed various health-promoting functions. Our previous work demonstrated that the crude FBTPS (CFBTPS) could modulate the gut microbiota. However, which purified fraction in CFBTPS contributing to the modulation of gut microbiota remains unclear. Thus, the fermentation characteristics and probiotic activity of a purified fraction (FBTPS-2-1) of CFBTPS were evaluated in this work. The results showed that gut microbiota could utilize FBTPS-2-1 to produce short-chain fatty acids including acetic, propionic, n-butyric and n-valeric acids. FBTPS-2-1 could modulate the structure and metabolic pathways of gut microbiota. FBTPS-2-1 could increase the health-promoting gut microbiota such as Prevotellaceae and Bifidobacteriaceae, and decreased the harmful bacteria such as Enterobacteriaceae and Fusobacteriaceae. The results of metagenomics showed that Prevotella copri and Megamonas funiformis were the dominant bacteria after fermentation of FBTPS-2-1. Furthermore, FBTPS-2-1 could regulate the biosynthesis and metabolism pathways of gut microbiota. Thus, the enrichment of food with FBTPS-2-1 is expected as a potential strategy for promoting human health due to modulation of gut microbiota.

Keywords: Gut microbiota, Polysaccharide, Fuzhuan brick tea, Fermentation characteristics

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Publication history

Received: 30 June 2021
Revised: 03 September 2021
Accepted: 05 September 2021
Published: 04 February 2022
Issue date: May 2022

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© 2022 Beijing Academy of Food Sciences.

Acknowledgements

The study was supported by the National Natural Science Foundation of China (No.32001645 and No.31972025), the National Key Research and Development Program of China (2018YFC1604404), and the Fundamental Research Funds for the Central Universities (KJQN202154).

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This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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