A rat experiment tested lactation as a developmental reprogramming window by giving dams, whose offspring had or had not experienced fetal undernutrition, cocoa-shell extract at 250 mg/kg/day. Although adult undernourished offspring had lower blood pressure, several groups developed adverse cardiac function, vascular relaxation and arterial-wall changes.
Key findings
- The extract lowered body weight in most groups and blood pressure only in undernourished offspring, but reduced left-ventricular mass index, heart rate and ejection fraction across groups. Acetylcholine-mediated relaxation worsened in selected undernourished females and control animals, medial hypertrophy occurred throughout, and wall-to-lumen ratio increased in controls.
Why this matters globally
The study challenges the assumption that antioxidant products are beneficial across all life stages and supports developmental-safety testing of supplements and food-waste extracts before use during lactation.
Thai researcher contribution
A Khon Kaen University researcher participated in a Spain-linked cardiovascular-physiology collaboration. This was not a Thai population study.
Limitations to consider
This rat model used one exposure context that cannot be directly translated to human intake. Active components were not isolated, tail-cuff blood pressure is stress-sensitive, and effects differed by sex and developmental condition. The findings are not dietary advice for breastfeeding people.
Verify the original sources
Experimental PhysiologyRead the original article↗DOI: 10.1113/ep093742