Abstract A validated in vitro gut model (i.e. SHIME®), coupled with co-cultures of epithelial cells and macrophages, was used to investigate the prebiotic potential and immune modulation of long-term administration of a xylooligosaccharides/polyphenols blend. The blend was well fermented along the entire colon leading to increased production of butyrate (+7 mmol/L) in the ascending colon; acetate, propionate and butyrate (approx. +4 mmol/L each) in the transverse colon; propionate (+4.1 mmol/L) in the descending colon. The treatment led to a decrease in ammonium and increased lactate levels in the ascending colon, which correlated with an increase in lactobacilli and bifidobacteria (+2.5 Log/mL). Additionally, the propionate-producing Akkermansia muciniphila increased in the lumen of the proximal colon (up to 7.15 log/mL). Finally, it was observed a protective effect on Caco-2 barrier function in the distal colon and pronounced immune activating properties. The generated data support a possible role in protecting against obesity-related adverse effects.
A combination of xylooligosaccharides and a polyphenol blend affect microbial composition and activity in the distal colon exerting immunomodulating properties on human cells
P. Abbeele,C. Duysburgh,T. Jiang,Marco Rebaza,I. Pinheiro,M. Marzorati
Published 2018 in Journal of Functional Foods
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- Publication year
2018
- Venue
Journal of Functional Foods
- Publication date
2018-08-01
- Fields of study
Biology, Medicine, Chemistry, Environmental Science
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