Key result
Coconut oil diet lowers cardiac norepinephrine content and release versus comparator diets in rats.
Why the study?
Does dietary lipid supplementation with saturated vs unsaturated fatty acids alter myocardial norepinephrine content and release in rat hearts?
Population
Neonatal and adult rat hearts
Comparison
Semisynthetic diet containing 16% of either… vs Purina Rodent Chow (reference diet)
Design
Preclinical
Authors
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No immediate implications for human diets; leaves open whether saturated fats modulate cardiac sympathetic activity in clinical settings.
Does dietary lipid supplementation with saturated vs unsaturated fatty acids alter myocardial norepinephrine content and release in rat hearts?
p-value: p=<0.01
Dietary lipid supplementation with saturated versus unsaturated fatty acids alters myocardial norepinephrine storage and release in developing and adult rats, potentially due to membrane perturbations affecting alpha-adrenoceptor function.
Semafuko et al. (1987) studied this question. Coconut oil or sunflower oil diet vs. Purina Rodent Chow (reference diet) was evaluated on Cardiac norepinephrine content (p=<0.01). A diet containing 16% coconut oil significantly decreased cardiac norepinephrine content compared with a reference diet (p<0.01) and decreased its release compared with sunflower oil (p<0.05) in rats.
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