di Giuseppe, R., de Lorgeril, M., Salen, P., Laporte, F., Di Castelnuovo, A., Krogh, V., Siani, A., Arnout, J., Cappuccio, Francesco P., van Dongen, M., Donati, M. B., de Gaetano, G. and Iacoviello, L.. (2009) Alcohol consumption and n-3 polyunsaturated fatty acids in healthy men and women from 3 European populations. American Journal of Clinical Nutrition, Vol.89 (No.1). pp. 354-362. ISSN 0002-9165

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Abstract

Background: Because high dietary and blood n–3 (omega-3) fatty acids (FAs) are protective against coronary heart disease and sudden cardiac death, the alcohol-associated increase in blood n–3 FAs could be considered an original mechanism of alcohol's cardioprotective effect. Objective: Our objective was to assess whether alcohol consumption is associated with concentrations of very-long-chain “marine” (eg, fish oil) n–3 FAs both in plasma and in red blood cell membranes. Design: In the framework of the IMMIDIET (Dietary Habit Profile in European Communities with Different Risk of Myocardial Infarction: the Impact of Migration as a Model of Gene-Environment Interaction) Project, 1604 subjects (802 women-men pairs), aged 26–65 y, were enrolled in Italy, Belgium, and England. A 1-y-recall food-frequency questionnaire was used to evaluate dietary intake. Results: In fully adjusted multivariate analyses, alcohol intake was positively associated with plasma eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and EPA + DHA concentrations (P < 0.0001, P = 0.036, and P = 0.002, respectively) in women and with EPA and the EPA + DHA index in red blood cells (P < 0.0001 and P = 0.037, respectively). In men, only plasma and red blood cell EPA concentrations were associated with alcohol intake (P = 0.003 and P = 0.004, respectively). Stratified analyses showed an association between alcohol and both plasma and red cell EPA (P = 0.008 and P = 0.002, respectively), DHA (P = 0.014 and P = 0.008, respectively), and the EPA + DHA index (P = 0.010 and P = 0.006, respectively) in wine drinkers, whereas no association was found in those who drink beer and spirits. Conclusions: Alcohol intake was associated with higher plasma and red blood cell concentrations of marine n–3 FAs. Components of wine other than alcohol (polyphenols) might exert these effects. Part of the alcohol-induced cardioprotection may be mediated through increased marine n–3 FAs.

Item Type:	Journal Article
Subjects:	R Medicine > R Medicine (General)
Divisions:	Faculty of Medicine > Warwick Medical School > Metabolic and Vascular Health Faculty of Medicine > Warwick Medical School
Journal or Publication Title:	American Journal of Clinical Nutrition
Publisher:	American Society for Nutrition
ISSN:	0002-9165
Date:	January 2009
Volume:	Vol.89
Number:	No.1
Page Range:	pp. 354-362
Identification Number:	10.3945/​ajcn.2008.26661
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Description:	On behalf of the European Collaborative Group of the IMMIDIET Project
URI:	http://wrap.warwick.ac.uk/id/eprint/45147

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