Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 52, Issue -, Pages 138-146Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jff.2018.10.035
Keywords
Xylooligosaccharide; Complex carbohydrate; Diet; Fat accumulation; Microbiota
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Funding
- Center for Human Nutrition, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles
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Xylooligosaccharide (XOS), an oligosaccharide with great prebiotic potential, has been shown to modulate the gut microbiota. Our aim was to determine the effects of dietary XOS supplementation on body composition, lipid metabolism and intestinal microbiota using a mouse model. Our data showed that XOS dietary supplementation at 2.1 and 7.0% significantly changed the gut microbial composition. A decrease in visceral fat depots, concentration of inflammatory cytokine MCP-1, and abundance of the two most important obesity associated gut microbial phyla Firmicutes and Bacteroidetes were observed with 7% XOS supplementation. No change in blood or liver lipids was observed with both XOS doses. The production of SCFAs in the cecum was increased and relative abundance of Actinobacteria was decreased with supplementation of both doses of XOS. To conclude, XOS supplementation reduced adiposity through decreasing gene expression of markers of adipogenesis and fat synthesis and induced changes in intestinal microbial composition.
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