Authors
Manxi Huang, Peter Philip James Jackson, Afroditi Chatzifragkou, Robert A Rastall
Published in
Journal of applied microbiology. Mar 20, 2026. Epub Mar 20, 2026.
Abstract
While the prebiotic potential of cellobiose has been suggested previously, this study extends current knowledge by including more microbial responses in a controlled human gut model. The fermentation profile of cellobiose was comparted with OF P95 and a negative control using faecal samples from healthy donors (n = 3).
Fluorescent in situ hybridisation with flow cytometry was used to quantify key bacterial groups, and gas chromatography assessed organic acid production over 48 hours. Both carbohydrates induced significant alterations in microbiota profiles and organic acid production compared to baseline and negative controls. Cellobiose fermentation significantly increased total organic acids, acetate, and butyrate from baseline, with significantly higher total organic acids and butyrate levels than the negative control at 48 h (P = 0.002 and P = 0.016, respectively). Distinct temporal shifts were observed for total bacteria and Atopobium with cellobiose, while Bifidobacterium was not significantly stimulated, contrasting with potent bifidogenic activity with OF P95 (e.g. T0-T48 increase, P < 0.001) and generally more pronounced total SCFA and acetate yields.
These findings validate prior indications but also extend current knowledge, showing that cellobiose has a distinct fermentation profile with potential for specific SCFA modulation, particularly butyrate.
PMID:
41860562
Bibliographic data and abstract were imported from PubMed on 20 Mar 2026.
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