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Role of n-3 long-chain polyunsaturated fatty acids in human nutrition and health: review of recent studies and recommendations
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Type
Academic journal
Author
Peter Van Dael (DSM Nutritional Products)
Journal
The Korean Society Of Community Nutrition Nutrition Research and Practice Vol.15 No.2 KCI Accredited Journals SCIE
Published
2021.4
Pages
137 - 159 (23page)

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Role of n-3 long-chain polyunsaturated fatty acids in human nutrition and health: review of recent studies and recommendations
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Abstract· Keywords

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Long-chain (LC) n-3 polyunsaturated fatty acids (n-3 PUFAs), in particular docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), are nutrients involved in many metabolic and physiological processes, and are referred to as n-3 LCPUFA. They have been extensively studied for their effects in human nutrition and health. This paper provides an overview on metabolism, sources, dietary intake, and status of n-3 LCPUFA. A summary of the dietary recommendations for n-3 LCPUFAs for different age groups as well as specific physiological conditions is provided. Evidence for n-3 LCPUFA in cardiovascular diseases, including new studies, is reviewed. Expert recommendations generally support a beneficial effect of n-3 LCPUFA on cardiovascular health and recommend a daily intake of 500 mg as DHA and EPA, or 1–2 servings of fish per week. The role of n-3 LCPUFA on brain health, in particular neurodegenerative disorders and depression, is reviewed. The evidence for beneficial effects of n-3 LCPUFA on neurodegenerative disorders is non-conclusive despite mechanistic support and observational data. Hence, no definite n-3 LCPUFA expert recommendations are made. Data for the beneficial effect of n-3 LCPUFA on depression are generally compelling. Expert recommendations have been established: 200–300 mg/day for depression; up to 1–2 g/day for major depressive disorder. Recent studies support a beneficial role of n-3 LCPUFAs in reducing the risk for premature birth, with a daily intake of 600–800 mg of DHA during pregnancy. Finally, international experts recently reviewed the scientific evidence on DHA and arachidonic acid (ARA) in infant nutrition and concluded that the totality of data support that infant and follow-on formulas should provide both DHA and ARA at levels similar to those in breast milk. In conclusion, the available scientific data support that dietary recommendations for n-3 LCPUFA should be established for the general population and for subjects with specific physiological conditions.
#Docosahexaenoic acid #eicosapentaenoic acid #heart #brain #adult #pregnancy #infant

Contents

ABSTRACT
INTRODUCTION
METABOLISM AND NUTRITIONAL ROLE OF n-3 LCPUFA
CVD AND n-3 LCPUFA
BRAIN HEALTH AND COGNITIVE FUNCTIONALITY AND n-3 LCPUFA
OTHER FUNCTIONAL BENEFITS RELATED TO n-3 LCPUFA
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