Goat kids supplemented with selenium produced meat with enhanced ACE-inhibitory peptide activity, suggesting selenium supplementation could create functional food products.
45 goat kids, 3 groupsSelenium supplementation enhanced blood pressure-lowering peptide activity in goat meat hydrolysates
What the researchers found
Selenium supplementation in goat kids enhanced the antioxidant and ACE-inhibitory activity of enzymatic hydrolysates derived from their meat.
Why it 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 numbers in context
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 the study worked
Randomized study of 45 suckling goat kids in 3 selenium supplementation groups, with chemical analysis and ACE inhibition testing of enzymatic meat hydrolysates.
Who was studied
Suckling goat kids (3 groups of 15)
What this study cannot 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.
How to read the evidence
Randomized animal nutrition study with in vitro peptide testing. Well-designed for the animal science question but human health implications are theoretical.
When this study was published
Published in 2025, contributing to the functional foods and bioactive peptides field.
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.
Questions still open
- 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?
Common questions
Can eating goat meat lower blood pressure?
What is selenium and why does it matter?
Read the original research
Chemical analysis and angiotensin I-converting enzyme inhibitory activity of enzymatic hydrolysates derived from meat of goat-kids with supplemental selenium.
PeerJ, 13, e19261
Citation
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