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Validation of a FFQ for estimating ω-3, ω-6 and trans fatty acid intake during pregnancy using mature breast milk and food recalls

BACKGROUND/OBJECTIVES: To assess the performance of a food frequency questionnaire (FFQ) for estimating [omega]-3, [omega]-6 and trans fatty acid intake during pregnancy. Moreover, we determined whether the fatty acid composition of mature breast milk represents a valuable biomarker for fatty acid i... Full description

Journal Title: European Journal of Clinical Nutrition 2012, Vol.66(11), p.1259
Main Author: D S Sartorelli
Other Authors: R Y Nishimura , G S F Castro , P Barbieri , A A Jordão
Format: Electronic Article Electronic Article
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ID: ISSN: 0954-3007 ; E-ISSN: 1476-5640 ; DOI: 10.1038/ejcn.2012.127
Link: http://dx.doi.org/10.1038/ejcn.2012.127
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recordid: nature_a10.1038/ejcn.2012.127
title: Validation of a FFQ for estimating ω-3, ω-6 and trans fatty acid intake during pregnancy using mature breast milk and food recalls
format: Article
creator:
  • D S Sartorelli
  • R Y Nishimura
  • G S F Castro
  • P Barbieri
  • A A Jordão
subjects:
  • Nutritional Assessment – Methods
  • Breast Milk – Composition
  • Pregnant Women – Food and Nutrition
  • Pregnant Women – Surveys
ispartof: European Journal of Clinical Nutrition, 2012, Vol.66(11), p.1259
description: BACKGROUND/OBJECTIVES: To assess the performance of a food frequency questionnaire (FFQ) for estimating [omega]-3, [omega]-6 and trans fatty acid intake during pregnancy. Moreover, we determined whether the fatty acid composition of mature breast milk represents a valuable biomarker for fatty acid intake during pregnancy. SUBJECTS/METHODS: A prospective study in 41 pregnant women, aged 18-35 years, was conducted. Food intake during pregnancy was evaluated by three 24-h recalls (24 hR), and 2 FFQ. The fatty acid composition of mature breast milk was determined by gas chromatography. The method of triads and joint classification between quartiles of intake were applied. RESULTS: The FFQ was accurate for estimating docosahexanoic (DHA), linoleic and total [omega]-6 fatty acids according to validity coefficients. Higher agreements (>70%) into the same or adjacent quartiles between the dietary methods were found for [alpha]-linolenic, total [omega]-3, linoleic and trans fatty acid intake. High validity coefficients for eicosapentanoic (EPA) and DHA acids of human milk were found (0.61 and 0.73, respectively), and the method was adequate for categorizing the intake of [alpha]-linolenic, total [omega]-3 and trans fatty acids compared with FFQ estimates, and for arachidonic acid and trans fatty acids compared with food recall estimates, during pregnancy. CONCLUSIONS: The FFQ was an accurate tool for categorizing [alpha]-linolenic, total [omega]-3 and trans fatty acid intake. According to the validity coefficients observed, the FFQ accurately estimated DHA, linoleic and total [omega]-6 fatty acids and the composition of mature breast milk was shown to be a suitable biomarker for EPA and DHA fatty acid intake during pregnancy. doi: 10.1038/ejcn.2012.127; published online 19 September 2012 Keywords: validation studies; pregnancy nutrition; [omega]-3 PUFA; [omega]-6 PUFA; trans fatty acids
language:
source:
identifier: ISSN: 0954-3007 ; E-ISSN: 1476-5640 ; DOI: 10.1038/ejcn.2012.127
fulltext: fulltext
issn:
  • 0954-3007
  • 09543007
  • 1476-5640
  • 14765640
url: Link


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titleValidation of a FFQ for estimating ω-3, ω-6 and trans fatty acid intake during pregnancy using mature breast milk and food recalls
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descriptionBACKGROUND/OBJECTIVES: To assess the performance of a food frequency questionnaire (FFQ) for estimating [omega]-3, [omega]-6 and trans fatty acid intake during pregnancy. Moreover, we determined whether the fatty acid composition of mature breast milk represents a valuable biomarker for fatty acid intake during pregnancy. SUBJECTS/METHODS: A prospective study in 41 pregnant women, aged 18-35 years, was conducted. Food intake during pregnancy was evaluated by three 24-h recalls (24 hR), and 2 FFQ. The fatty acid composition of mature breast milk was determined by gas chromatography. The method of triads and joint classification between quartiles of intake were applied. RESULTS: The FFQ was accurate for estimating docosahexanoic (DHA), linoleic and total [omega]-6 fatty acids according to validity coefficients. Higher agreements (>70%) into the same or adjacent quartiles between the dietary methods were found for [alpha]-linolenic, total [omega]-3, linoleic and trans fatty acid intake. High validity coefficients for eicosapentanoic (EPA) and DHA acids of human milk were found (0.61 and 0.73, respectively), and the method was adequate for categorizing the intake of [alpha]-linolenic, total [omega]-3 and trans fatty acids compared with FFQ estimates, and for arachidonic acid and trans fatty acids compared with food recall estimates, during pregnancy. CONCLUSIONS: The FFQ was an accurate tool for categorizing [alpha]-linolenic, total [omega]-3 and trans fatty acid intake. According to the validity coefficients observed, the FFQ accurately estimated DHA, linoleic and total [omega]-6 fatty acids and the composition of mature breast milk was shown to be a suitable biomarker for EPA and DHA fatty acid intake during pregnancy. doi: 10.1038/ejcn.2012.127; published online 19 September 2012 Keywords: validation studies; pregnancy nutrition; [omega]-3 PUFA; [omega]-6 PUFA; trans fatty acids
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