Selenium-Fed Goat Meat Produces More Blood Pressure-Lowering Peptides
Goat kids supplemented with selenium produced meat with enhanced ACE-inhibitory peptide activity, suggesting selenium supplementation could create functional food products.
Quick Facts
What This Study Found
Selenium supplementation in goat kids enhanced the antioxidant and ACE-inhibitory activity of enzymatic hydrolysates derived from their meat.
Key Numbers
45 suckling goat kids in 3 groups: control, injectable sodium selenite (0.25 mg/kg), oral selenomethionine (0.3 mg/kg). Evaluated meat composition and ACE-inhibitory activity of enzymatic hydrolysates.
How They Did This
Randomized study of 45 suckling goat kids in 3 selenium supplementation groups, with chemical analysis and ACE inhibition testing of enzymatic meat hydrolysates.
Why This Research Matters
This shows how animal nutrition can be used to create healthier meat products with built-in blood pressure-lowering peptides, bridging the gap between animal science and functional food development.
The Bigger Picture
Nutritional strategies in livestock could produce meat with enhanced health-promoting properties, creating a new category of functional foods that deliver bioactive peptides through normal diet.
What This Study Doesn't Tell Us
In vitro ACE inhibition — whether eating selenium-enriched goat meat would actually lower blood pressure in humans is unknown. Peptide bioavailability through digestion needs assessment.
Questions This Raises
- ?Would selenium-enriched goat meat provide meaningful blood pressure benefits when consumed in normal dietary amounts?
- ?Does selenium supplementation similarly enhance bioactive peptides in other livestock species?
Trust & Context
- Key Stat:
- 45 goat kids, 3 groups Selenium supplementation enhanced blood pressure-lowering peptide activity in goat meat hydrolysates
- Evidence Grade:
- Randomized animal nutrition study with in vitro peptide testing. Well-designed for the animal science question but human health implications are theoretical.
- Study Age:
- Published in 2025, contributing to the functional foods and bioactive peptides field.
- Original Title:
- Chemical analysis and angiotensin I-converting enzyme inhibitory activity of enzymatic hydrolysates derived from meat of goat-kids with supplemental selenium.
- Published In:
- PeerJ, 13, e19261 (2025)
- Authors:
- Pérez-Ramirez, Silvia C, Cruz-Monterrosa, Rosy, Diaz-Ramirez, Mayra, León-Espinosa, Erika B, Aguilar-Toalá, José E, Rosas-Espejel, Monzerrat, Ramirez-Bribiesca, J Efren
- Database ID:
- RPEP-13128
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
Can eating goat meat lower blood pressure?
This study shows that selenium-enriched goat meat contains peptides that inhibit ACE (the enzyme targeted by blood pressure drugs) in the lab. Whether eating the meat would have a meaningful blood pressure effect in people is not yet known.
What is selenium and why does it matter?
Selenium is an essential mineral with antioxidant properties. When added to animal feed, it enhances the antioxidant activity of muscle tissue and, as this study shows, may increase the production of bioactive peptides with health-promoting properties.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-13128APA
Pérez-Ramirez, Silvia C; Cruz-Monterrosa, Rosy; Diaz-Ramirez, Mayra; León-Espinosa, Erika B; Aguilar-Toalá, José E; Rosas-Espejel, Monzerrat; Ramirez-Bribiesca, J Efren. (2025). Chemical analysis and angiotensin I-converting enzyme inhibitory activity of enzymatic hydrolysates derived from meat of goat-kids with supplemental selenium.. PeerJ, 13, e19261. https://doi.org/10.7717/peerj.19261
MLA
Pérez-Ramirez, Silvia C, et al. "Chemical analysis and angiotensin I-converting enzyme inhibitory activity of enzymatic hydrolysates derived from meat of goat-kids with supplemental selenium.." PeerJ, 2025. https://doi.org/10.7717/peerj.19261
RethinkPeptides
RethinkPeptides Research Database. "Chemical analysis and angiotensin I-converting enzyme inhibi..." RPEP-13128. Retrieved from https://rethinkpeptides.com/research/perez-ramirez-2025-chemical-analysis-and-angiotensin
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.