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A probiotic and prebiotic food ingredient combination was tested for synergistic functioning in modulation of the colonic microbiome and remediation of the gastrointestinal immune and inflammatory responses in a spontaneous colitic mouse model. Bacillus coagulans MTCC5856 spores with capability to metabolise complex plant polysaccharides were supplemented with complex whole-plant prebiotic sugarcane fibre (PSCF). The combined and individual efficacies were tested for their influence on the outcomes of chronic inflammation in Muc2 mutant colitic Winnie mice. The mice were fed normal chow diet supplemented with either ingredient or a combination for 21 days. Synbiotic combined supplementation ameliorated clinical symptoms and histological colonic damage scores more effectively than either B. coagulans or PSCF alone. PSCF and B. coagulans alone also induced considerable immunomodulatory effects. Synbiotic supplementation however was the most efficacious in modulating the overall immune profile compared to the unsupplemented Winnie-control. The augmented synbiotic effect could potentially be due to a combination of increased levels of fermentation products, direct immune-modulating abilities of the components, their capability to reduce colonic epithelial damage and/or modulation of the microbiota. The beneficial effects of the supplementation with a complex plant fibre and a fibre-degrading probiotic parallel the effects seen in human microbiota with high plant fibre diets.

Keywords: Bacillus spores; Inflammatory Bowel Diseases (IBD); Short chain fatty acids (SCFAs); dysbiosis; gut microbiota; prebiotic; probiotic; synbiotic; whole plant sugarcane fibre.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Bacillus coagulans MTCC 5856Enhanced Immune ProfileBeneficial
Bacillus coagulans MTCC 5856Improved Symptoms of Chronic ConditionBeneficial
Bacillus coagulans MTCC 5856Induced Immunomodulatory EffectsBeneficial
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