The Study
Shatianyu (Citrus grandis L. Osbeck) whole fruit alleviated loperamide-induced constipation via enhancing gut microbiota-mediated intestinal serotonin secretion and mucosal barrier homeostasis.
This study looked at how a special fruit powder affected constipated mice. It found that the mice pooped more and had some good changes in their guts, but it didn't prove the fruit caused those changes — maybe something else did. So we can't say it will work for people.
Analysis score
Maximum 72 for a cohort study.
Where the score came from
Scientists gave constipated mice a powder made from a citrus fruit and saw they pooped sooner and more often, while their gut became less inflamed and made more of a helpful chemical called serotonin.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 513 / 100
Quality score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Key takeaways
Summary
Based on the study abstract and findings.
- 1This suggests eating fiber- and flavonoid-rich fruits might help human constipation by improving gut health, but mice aren't humans.
- 2Mice pooped sooner and more often; butyrate levels and serotonin increased; inflammation markers dropped; good gut bacteria grew.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Food & function
Year
2024
Authors
Mei Deng, Jiamin Ye, Ruifen Zhang, Shuai Zhang, Lihong Dong, Dongxiao Su, Mingwei Zhang, Fei Huang
Related Content
Claims (6)
In mice with constipation caused by loperamide, consuming Shatianyu fruit powder is linked to lower levels of specific inflammatory proteins in the colon and higher levels of proteins that maintain the intestinal barrier.
In mice with constipation caused by loperamide, consuming Shatianyu fruit powder for four weeks increases butyrate in the feces, raises FFAR3 and serotonin levels in the colon, and lowers inflammatory markers TLR-4, TNF-α, and IL-1β, which correlates with improved intestinal movement and barrier integrity.
In mice treated with loperamide, consuming Shatianyu fruit powder is linked to higher levels of specific gut bacteria that produce butyrate, increased butyrate in feces, and greater presence of the FFAR3 receptor in the colon.
In mice with constipation caused by loperamide, consuming Shatianyu fruit powder increases the amount of the enzyme Tph1 in gut cells and raises serotonin levels in the blood.
In mice with constipation caused by loperamide, consuming Shatianyu fruit powder is linked to faster first bowel movement and more frequent bowel movements.
When the gut barrier becomes more intact, vagus nerve activity increases and resting heart rate decreases.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.