Food research international (Ottawa, Ont.)
Cure8 research brief
Why This Matters
People with IBD may experience cognitive symptoms; this preclinical study identifies specific quercetin glycosides that protected mice from colitis-related cognitive decline via gut microbiota and tryptophan metabolism pathways, suggesting potential nutritional approaches worth further study.
Who Should Pay Attention
Adult patients with IBD interested in diet-based interventions, clinicians following IBD complications (particularly cognitive/neurologic concerns), and researchers studying the gut–brain axis, microbiome, or nutritional therapeutics.
Study Snapshot
Story typeResearch paper
Evidence typeResearch paper
Source depthJournal abstract
What To Know
A mouse model of DSS colitis was used to compare four quercetin glycosides. The authors report that the different sugar attachments altered efficacy: some glycosides (hyperoside and rutin disaccharide form) performed best at improving intestinal barrier function, reducing neuroinflammation, and restoring synaptic proteins, while others showed weaker effects.
The proposed mechanisms include selective remodeling of the gut microbiota, lowering systemic endotoxin levels, and suppression of indoleamine 2,3-dioxygenase 1 activity to prevent a shift of tryptophan metabolism toward the neurotoxic kynurenine pathway.
The paper frames these findings as mechanistic preclinical work supporting targeted nutritional approaches to reduce IBD-associated cognitive decline. The research is at the preclinical, animal-study stage and does not establish clinical benefit in people with IBD. Discuss any changes to diet or supplements with a clinician.
Keep In Mind
This report is an animal (mouse) study reported in a journal abstract/full-text on Europe PMC; it demonstrates mechanisms in a DSS colitis model but does not provide clinical trial evidence in humans. Findings guide further research rather than clinical recommendations.
Source Details
Review the original publication for the complete reporting, methods, and context.
Research paper
Evidence type derived from source or registry metadata.
PublicationFood research international (Ottawa, Ont.)
AuthorsTao Z, Qiao S, Zhang W +8 more
Study typeIm, journal article
Indexed viaEurope PMC
Source typeResearch paper
PublishedAug 12, 2026, 12:00 AM
Content availableJournal abstract
This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.
Erythritol Exacerbates DSS-Induced Colitis and Influences Behavioral Responses in Mice Through Gut Microbiota and Metabolic Alterations
This study suggests erythritol — a common non-nutritive sweetener — may worsen experimental colitis and depression-like behavior in mice via microbiome and metabolic changes, raising questions about how ultra-processed...
Diet quality, gut microbiome, and inflammatory signatures in Puerto Rican adults with Crohn disease: a multidimensional analysis.
Diet quality was linked to gut microbiome features and exploratory differences in inflammatory markers and symptoms in adults with Crohn disease from Puerto Rico; understanding these links may help tailor dietary...
Vitamin D and inflammatory bowel diseases
Vitamin D deficiency is common in people with IBD and may relate to disease activity, complications, and quality of life; understanding this link could influence monitoring and adjunctive care.