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Fatty acid composition of habitual omnivore and vegetarian diets

Mann, Neil, Pirotta, Yvonne, Oconnell, Stella, Li, Duo and Sinclair, Andrew 2006, Fatty acid composition of habitual omnivore and vegetarian diets, Lipids, vol. 41, no. 7, pp. 637-646.

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Title Fatty acid composition of habitual omnivore and vegetarian diets
Author(s) Mann, Neil
Pirotta, Yvonne
Oconnell, Stella
Li, Duo
Sinclair, Andrew
Journal name Lipids
Volume number 41
Issue number 7
Start page 637
End page 646
Publisher American Oil Chemists' Society
Place of publication Champaign, Ill.
Publication date 2006-07
ISSN 0024-4201
1558-9307
Summary High-fat diets are implicated in the onset of cardiovascular disease (CVD), cancer, and obesity. Large intakes of saturated and trans FA, together with low levels of PUFA, particularly long-chain (LC) omega-3 (n−3) PUFA, appear to have the greatest impact on the development of CVD. A high n−6∶n−3 PUFA ratio is also considered a marker of elevated risk of CVD, though little accurate data on dietary intake is available. A new Australian food  composition database that reports FA in foods to two decimal places was used to assess intakes of FA in four habitual dietary groups. Analysis using the database found correlations between the dietary intakes of LC n−3 PUFA and the plasma phospholipid LC n−3 PUFA concentrations of omnivore and vegetarian subjects. High meat-eaters (HME), who consumed large  amounts of food generally, had significantly higher LC n−3 PUFA intakes (0.29 g/d) than moderate meat-eaters (MME) (0.14 g/d), whose intakes in turn were significantly higher than those of ovolacto-vegetarians or vegans (both 0.01 g/d). The saturated FA intake of MME subjects (typical of adult male Australians) was not different from ovolacto-vegetarian intakes, whereas n−6∶n−3 intake ratios in vegetarians were significantly higher than in omnivores. Thus, accurate dietary and plasma FA analyses suggest that regular moderate consumption of meat and fish maintains a plasma FA profile possibly more conducive to good health.
Language eng
Field of Research 069999 Biological Sciences not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2006, AOCS Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30009415

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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