Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 38, Issue -, Pages 486-496Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jff.2017.09.045
Keywords
Microbiota; Cecal contents; 16S rRNA metagenomics; Oligosaccharides; Constipation
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Funding
- National Natural Science Foundation of China [31671839]
- Program of Introducing Talents of Discipline to Universities [B07029]
- Fundamental Research Funds for the Central Universities [JUSRP51501]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province
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The aim of this study was to evaluate the effects of different kinds of oligosaccharides on cecal micro biota. These oligosaccharides were a fructo-oligosaccharide (FOS) formulation consisting of 95% FOS (FO595), a galacto-oligosaccharide (GOS) formulation consisting of 90% GOS (GOS90), and an isomalto-oligosaccharide (IMO) formulation consisting of 90% IMO (IMO90), at dosages of 0.8, 4, and 8 giclikg bw. FOS95, IMO90, and GOS90 were each gavaged to BALB/c mice for 14 days. Sequencing of 16S rDNA amplicons showed that the abundance of Actinobacteria and TM7 dramatically decreased in constipation group. Feeding constipated mice with FO595, IMO90, and GO590 resulted in decreased ratio of Firmicutes to Bacteroidetes, and increased abundances of Bifidobacterium, Bacteroides, Rikenella, Lactobacillus, and Clostridium and decreased abundances of Oscillospira, Coprococcus, and Dorea at the genus level. Overall, our results demonstrate that FOS95, IMO90, and GOS90 modulate the cecal microbiome in constipated mice. (C) 2017 Elsevier Ltd. All rights reserved.
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