Time-of-day effects of consumption of fish oil-enriched sausages on serum lipid parameters and fatty acid composition in normolipidemic adults: A randomized, double-blind, placebo-controlled, and parallel-group pilot study.

Nutrition
Tatsuya KonishiKatsutaka Oishi

Abstract

The body clock controls diurnal rhythms of nutrient digestion, absorption, and metabolism. Fish oil (FO) contains abundant ω-3 polyunsaturated fatty acids (PUFA), including docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), that are thought to lower triglyceride (TG) levels. This randomized, placebo-controlled, double-blind, parallel-group trial aimed to confirm the effects of the time of FO intake on TG in healthy Japanese adults. Twenty healthy Japanese adults (age, 20-60 y) were assigned to either a group that consumed sausages enriched with FO (DHA 1010 mg; EPA 240 mg) in the morning and a placebo (DHA 40 mg; EPA 15 mg) in the evening (BF-FO) or another group that consumed FO-enriched sausages in the evening and the placebo in the morning (DN-FO). Serum lipid parameters, fatty acid (FA) composition, and messenger RNA expression of lipogenic genes in circulating blood cells were evaluated in fasting blood samples before, as well as after 4 and 8 wk of FO intake. Serum concentrations of TG and total saturated FA were significantly decreased in the BF-FO group, whereas those of ω-3 PUFA were significantly and identically increased in both groups. Serum concentrations of ω-6 PUFA were significantly decreased in the BF-...Continue Reading

References

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