首页|Fermentation characteristics and probiotic activity of a purified fraction of polysaccharides from Fuzhuan brick tea
Fermentation characteristics and probiotic activity of a purified fraction of polysaccharides from Fuzhuan brick tea
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国家科技期刊平台
NETL
NSTL
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维普
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.
Guijie Chen、Ziqi Zeng、Minhao Xie、Yujia Peng、Wangting Zhou、Weiqi Xu、Yi Sun、Xiaoxiong Zeng、Zhonghua Liu
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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
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国家自然科学基金国家自然科学基金National Key Research and Development Program of ChinaFundamental Research Funds for the Central Universities
国家科技期刊平台
NSTL
万方数据
维普
