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In vitro fecal fermentation properties of polysaccharides from Tremella fuciformis and related modulation effects on gut microbiota
Wu, Ding Tao1; An, Ling Yan1; Liu, Wen2; Hu, Yi Chen1; Wang, Shengpeng2; Zou, Liang1
2022-06
Source PublicationFood Research International
ISSN0963-9969
Volume156
Abstract

Tremella fuciformis is an edible and medicinal mushroom. Polysaccharides from T. fuciformis have received increasing attention due to their diversely pharmacological activities. In this study, the digestive behavior and fermentation characteristics of T. fuciformis polysaccharides (TFP) were studied. The results revealed that the reducing sugar content, chemical composition, molecular weight, rheological property, constituent monosaccharide, and FT-IR spectrum of TFP were not altered after the in vitro simulated digestion, indicating that it was indigestible under different simulated digestion conditions. However, the physicochemical characteristics of TFP, including reducing sugar content, molecular weight, constituent monosaccharide, and free monosaccharide released, were obviously altered after the in vitro fermentation for 48 h, indicating that it was remarkably utilized by intestinal microbiota in human feces. Notably, TFP could obviously modulate the microbial composition via promoting the relative abundances of Phascolarctobacterium, Bacteroides, and Lachnoclostridium. Moreover, TFP could also increase the production of short-chain fatty acids, including acetic, propionic, n-butyric, and n-valeric acids, after the in vitro fermentation for 48 h. These results showed that TFP was stable under the simulated digestion conditions, but could be utilized by intestinal microbiota in human feces, and might possess the potential to improve intestinal health.

KeywordChemical Structure Digestive Characteristic Fermentation Characteristic Gut Microbiota Polysaccharides Tremella Fuciformis
DOI10.1016/j.foodres.2022.111185
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaFood Science & Technology
WOS SubjectFood Science & Technology
WOS IDWOS:000797572200006
Scopus ID2-s2.0-85127044806
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorWu, Ding Tao; Zou, Liang
Affiliation1.Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, China
2.State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
Recommended Citation
GB/T 7714
Wu, Ding Tao,An, Ling Yan,Liu, Wen,et al. In vitro fecal fermentation properties of polysaccharides from Tremella fuciformis and related modulation effects on gut microbiota[J]. Food Research International,2022,156.
APA Wu, Ding Tao,An, Ling Yan,Liu, Wen,Hu, Yi Chen,Wang, Shengpeng,&Zou, Liang.(2022).In vitro fecal fermentation properties of polysaccharides from Tremella fuciformis and related modulation effects on gut microbiota.Food Research International,156.
MLA Wu, Ding Tao,et al."In vitro fecal fermentation properties of polysaccharides from Tremella fuciformis and related modulation effects on gut microbiota".Food Research International 156(2022).
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