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Mulberry, Gut Microbiota and Gut Functionality: Effects Shaped by Raw Material and Processing Methods
Marta Maria Miszczak1, Karolina Kłosowska-Buryło2, Joanna Magdalena Pieczyńska1
1Department of Dietetics and Bromatology, Wroclaw Medical University, Borowska 211, 50-556 Wrocław, Poland.
Biomolecules
|July 28, 2026
Summary
Mulberry extracts from leaves and fruits impact gut microbes and metabolic health, but effects vary by species and preparation. Further human studies are needed to confirm benefits for gut and metabolic health.
Area of Science:
- Phytochemistry and Microbiology
- Metabolic Health Research
- Natural Product Science
Background:
- Mulberry (Morus spp.) offers distinct phytochemical profiles in leaves (iminosugars, flavonols) and fruits (anthocyanins, phenolics).
- Preparation methods significantly alter mulberry product composition, bioavailability, and bioactivity, influencing host-microbiota interactions.
- Preclinical data suggest mulberry preparations modulate gut microbiota and may improve metabolic dysfunction markers.
Purpose of the Study:
- To review the impact of mulberry-derived preparations on gut microbiota and metabolic health.
- To highlight the influence of botanical origin and processing on biological outcomes.
- To identify research gaps and future directions for human studies.
Main Methods:
- Literature review of preclinical studies on mulberry leaf and fruit extracts.
- Analysis of reported effects on gut microbial composition, short-chain fatty acid production, and metabolic parameters.
- Assessment of study limitations regarding reporting of preparation and standardization.
Main Results:
- Mulberry preparations can enrich beneficial bacteria (Bifidobacterium, Lactobacillus, Akkermansia) and normalize dysbiosis.
- Observed improvements in glucose regulation, lipid profiles, and inflammation markers are linked to microbial changes.
- Significant variability in outcomes exists due to differences in mulberry species, plant part, and processing techniques.
Conclusions:
- Mulberry preparations show potential for influencing metabolic health via gut microbiota modulation.
- Botanical origin and processing technology are critical determinants of efficacy.
- Further human trials with standardized, characterized mulberry extracts are essential to validate findings and guide applications.
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