Plasma phospholipid fatty acid composition as a biomarker of habitual dietary fat intake in an ethnically diverse cohort

Hodge, Allison M., Simpson, Julie A., Gibson, Robert A., Sinclair, Andrew, Makrides, Maria, O'Dea, Kerin, English, Dallas R. and Giles, Graham G. 2007, Plasma phospholipid fatty acid composition as a biomarker of habitual dietary fat intake in an ethnically diverse cohort, Nutrition, metabolism & cardiovascular diseases, vol. 17, no. 6, pp. 415-426.


Title Plasma phospholipid fatty acid composition as a biomarker of habitual dietary fat intake in an ethnically diverse cohort
Author(s) Hodge, Allison M.
Simpson, Julie A.
Gibson, Robert A.
Sinclair, Andrew
Makrides, Maria
O'Dea, Kerin
English, Dallas R.
Giles, Graham G.
Journal name Nutrition, metabolism & cardiovascular diseases
Volume number 17
Issue number 6
Start page 415
End page 426
Publisher Medikal Press S.L.R.
Place of publication Napoli, Italy
Publication date 2007-07
ISSN 0939-4753
1590-3729
Keyword(s) plasma phospholipids
middle-aged adults
biomarker
food frequency questionnaire
diet
fatty acids
Summary Background and aim
As an evaluation of fatty acid intake measurement, our aim was to examine associations between diet and plasma phospholipid (PL) fatty acids, and whether these were modified by age, sex, country of birth, fasting status, use of cholesterol-lowering medication, body size, chronic disease and other lifestyle factors.

Methods and results
Cross-sectional analysis of plasma PL fatty acid composition and dietary fatty acid intake over 12 months from a 121-item food frequency questionnaire (FFQ) in 4439 men and women aged 40–69 years, born in Australia, Greece or Italy. Crude correlation coefficients ranged from 0.18 to 0.40; and corrected correlation coefficients from 0.38 to 0.78 for total monounsaturated, polyunsaturated, n-6, n-3 fatty acids, oleic acid, linoleic acid, EPA and DHA. Weaker associations were observed for other fatty acids. The associations did not vary significantly by fasting status, use of lipid lowering medication or alcohol intake, but for some fatty acids did vary by sex, age, body mass index, country of birth, smoking and previous heart attack or diabetes.

Conclusions
The FFQ provides useful information on intakes of mono- and polyunsaturated fatty acids. Correlations did not differ by fasting status, or use of lipid-lowering medication.
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, Elselvier BV
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007686

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