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Role of n-3 series polyunsaturated fatty acids in cardiovascular disease prevention

Authors Lee AH, Hiramatsu N

Published 15 September 2011 Volume 2011:3 Pages 93—100


Review by Single-blind

Peer reviewer comments 3

Andy H Lee1, Naoko Hiramatsu2
1School of Public Health, Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia; 2Laboratory of Nutritional Science, School of Human Science and Environment, University of Hyogo, Himeji, Hyogo, Japan

Abstract: Cardiovascular disease is a major cause of morbidity and mortality worldwide. Its prevention through a healthy lifestyle and appropriate diet is important. Omega-3 polyunsaturated fatty acids (n-3 PUFA) therapy has shown promise in both primary and secondary prevention of cardiovascular disease. This commentary discusses the nutritional role of n-3 PUFA, including its metabolism and physiological role, comparison with n-6 series PUFA, as well as complications due to deficiency. Clinical use of n-3 PUFA for the prevention and treatment of cardiovascular disease, recommended intake, and potential adverse effects will also be examined. The available scientific evidence suggests that its supplementation and clinical use ranging from 0.4 to 1 g/day can provide tangible benefits. However, further studies are required to determine optimal dosing and the relative ratio of docosahexaenoic acid and eicosapentaenoic acid that provides maximal cardioprotection and treatment of cardiovascular disease.

Keywords: alpha-linolenic acid, docosahexaenoic acid, eicosapentaenoic acid, cardiovascular disease, fish oil, polyunsaturated fatty acids

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