In vitro human gut microbiota fermentation of litchi pulp polysaccharides as affected by Lactobacillus pre-treatment
Copyright © 2024 Elsevier Ltd. All rights reserved..
In this study, litchi polysaccharides were obtained from unfermented or fermented pulp by Lactobacillus fermentum (denoted as LP and LPF, respectively). The differences between LP and LPF in the colonic fermentation characteristics and modulatory of gut microbiota growth and metabolism were investigated with an in vitro fecal fermentation model. Results revealed that the strategies of gut bacteria metabolizing LP and LPF were different and LPF with lower molecular weight (Mw) was readily utilized by bacteria. The monosaccharide utilization sequence of each polysaccharide was Ara > Gla > GalA > GlcA ≈ Glu ≈ Man. Moreover, LPF promoted stronger proliferation of Bifidobacterium, Megamonas, Prevotella, and Bacteroides and higher SCFAs production (especially acetic and butyric acids) than LP. Correlation analysis further revealed that Mw could represent an essential structural feature of polysaccharides associated with its microbiota-regulating effect. Overall, Lactobacillus fermentation pre-treatment of litchi pulp promoted the fermentation characteristics and prebiotic activities of its polysaccharide.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:445 |
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| Enthalten in: |
Food chemistry - 445(2024) vom: 01. Apr., Seite 138734 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xia, Chunmei [VerfasserIn] |
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| Links: |
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| Themen: |
Fatty Acids, Volatile |
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| Anmerkungen: |
Date Completed 01.04.2024 Date Revised 01.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.foodchem.2024.138734 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a In this study, litchi polysaccharides were obtained from unfermented or fermented pulp by Lactobacillus fermentum (denoted as LP and LPF, respectively). The differences between LP and LPF in the colonic fermentation characteristics and modulatory of gut microbiota growth and metabolism were investigated with an in vitro fecal fermentation model. Results revealed that the strategies of gut bacteria metabolizing LP and LPF were different and LPF with lower molecular weight (Mw) was readily utilized by bacteria. The monosaccharide utilization sequence of each polysaccharide was Ara > Gla > GalA > GlcA ≈ Glu ≈ Man. Moreover, LPF promoted stronger proliferation of Bifidobacterium, Megamonas, Prevotella, and Bacteroides and higher SCFAs production (especially acetic and butyric acids) than LP. Correlation analysis further revealed that Mw could represent an essential structural feature of polysaccharides associated with its microbiota-regulating effect. Overall, Lactobacillus fermentation pre-treatment of litchi pulp promoted the fermentation characteristics and prebiotic activities of its polysaccharide | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Fermentation | |
| 650 | 4 | |a Litchi polysaccharide | |
| 650 | 4 | |a Prebiotic activity | |
| 650 | 7 | |a Polysaccharides |2 NLM | |
| 650 | 7 | |a Fatty Acids, Volatile |2 NLM | |
| 700 | 1 | |a Zhang, Ruifen |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Xuchao |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Lihong |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Qin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Dong |e verfasserin |4 aut | |
| 700 | 1 | |a Kun Lee, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Zhida |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Mingwei |e verfasserin |4 aut | |
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