Cited by 297Metabolomics and Mass Spectrometry StudiesNutritional Studies and DietNutrition, Genetics, and Disease

Dietary intake patterns are reflected in metabolomic profiles: potential role in dietary assessment studies

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O'Sullivan, Aifric, Gibney, Michael J, Brennan, Lorraine·2011·The American Journal of Clinical Nutrition

Abstract

Background It has been suggested that metabolomics could play a role in dietary assessment and identification of novel biomarkers of dietary intake.Objective This study examined the link between habitual dietary patterns and metabolomic profiles.Design A total of 160 volunteers participated in a double-blind, randomized, placebo-controlled dietary intervention. We collected biofluids and recorded 3-d food diaries. Food data were reduced to 33 food groups, and a k-means cluster analysis was performed to identify dietary patterns. (1)H Nuclear magnetic resonance (NMR) spectra were acquired for plasma and urine samples, and gas chromatography was used for plasma fatty acid profiling.Results Cluster analysis identified 3 distinct dietary patterns on the basis of the energy contribution of different food groups. Dietary clusters were reflected in plasma fatty acid profiles and in metabolomic data. (1)H NMR spectra of urine allowed the identification of metabolites associated with different dietary patterns. Several of the metabolites identified were linked to the intake of specific food groups; in particular, there was a positive association between O-acetylcarnitine and phenylacetylglutamine and red-meat and vegetable intakes, respectively.Conclusions Habitual dietary patterns are shown in metabolomic data. This approach successfully identified potential biomarkers of red-meat and vegetable intakes.

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Crossref · 10.3945/ajcn.110.000950

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Authors
O'Sullivan, A., Gibney, M. J., & Brennan, L.
Affiliations
University College Dublin (IE)
Corresponding author
Gibney, Michael J
Venue
The American Journal of Clinical Nutrition
Publisher
Elsevier BV
Published
2011-02
Volume
93
Issue
2
Pages
314-321
ISSN
0002-9165 (ISSN-L)
OpenAlex
W2168306106
Cited by
297
References
36
Citations by year
2026: 8 · 2025: 13 · 2024: 15 · 2023: 11 · 2022: 11 · 2021: 17 · 2020: 25 · 2019: 23 · 2018: 24 · 2017: 24 · 2016: 23 · 2015: 21 · 2014: 26 · 2013: 24 · 2012: 19
FWCI
7.29
Type
journal article
Language
en
Open access
Locations
  • American Journal of Clinical Nutrition (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Nutrition, Genetics, and Disease
Keywords
dietary habits, metabolomics, dietary biomarkers, dietary assessment, plasma fatty acid profile, urinary metabolites, phenylacetylglutamine, red meat consumption, vegetable consumption, food diary, plasma metabolites
MeSH terms
Acetylcarnitine, Adolescent, Adult, Energy Intake, Chromatography, Gas, Diet, Double-Blind Method, Fatty Acids, Female, Glutamine, Humans, Male, Meat, Middle Aged, Magnetic Resonance Spectroscopy, Vegetables, Biomarkers, Nutrition Assessment, Diet Records, Cluster Analysis, Metabolome, Young Adult

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