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Cited by 426

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

??-Linolenic acid metabolism in men and women: nutritional and biological implications

Burdge, Graham·2004·Current Opinion in Clinical Nutrition and Metabolic Care

Abstract

PURPOSE OF REVIEW: This review critically evaluates current knowledge of alpha-linolenic acid metabolism in adult humans based on the findings of studies using stable isotope tracers and on increased dietary alpha-linolenic acid intake. The relative roles of alpha-linolenic acid and of longer-chain polyunsaturated fatty acids in cell structure and function are discussed together with an overview of the major metabolic fates of alpha-linolenic acid. The extent of partitioning towards beta-oxidation and carbon recycling in humans is described. The use and limitations of stable isotope tracers to estimate alpha-linolenic acid desaturation and elongation are discussed. A consensus view of the extent of alpha-linolenic acid conversion to longer-chain fatty acids in humans is presented. The extent to which increasing dietary alpha-linolenic acid intake alters the concentrations of longer-chain n-3 fatty acids is described. The biological and nutritional implications of these findings are discussed. RECENT FINDINGS: Conversion of alpha-linolenic acid to eicosapentaenoic acid is limited in men and further transformation to docosahexaenoic acid is very low. A lower proportion of alpha-linolenic acid is used as a substrate for beta-oxidation in women compared with men, while the fractional conversion to longer-chain fatty acids is greater, possibly due to the regulatory effects of oestrogen. SUMMARY: Overall, alpha-linolenic acid appears to be a limited source of longer-chain n-3 fatty acids in man and so adequate intakes of preformed n-3 polyunsaturated fatty acids, in particular docosahexaenoic acid, may be important for maintaining optimal tissue function. Capacity to upregulate alpha-linolenic acid transformation in women may be important for meeting the demands of the fetus and neonate for docosahexaenoic acid.

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Metadata

Authors
Burdge, G.
Venue
Current Opinion in Clinical Nutrition and Metabolic Care
Published
2004-03
Volume
7
Issue
2
Pages
137-144
ISSN
1363-1950 (ISSN-L)
OpenAlex
W2008292459
Cited by
426
References
4
FWCI
15.97
Type
journal article
Language
en
Open access
closed

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