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Metabolomics as a tool in the identification of dietary biomarkers

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Alternative Title
Metabolomics in dietary biomarker discovery
Author(s)
Gibbons, Helena 
Brennan, Lorraine 
Uri
http://hdl.handle.net/10197/8263
Date Issued
February 2017
Date Available
13T15:42:46Z January 2017
Abstract
Current dietary assessment methods including FFQ, 24-h recalls and weighed food diaries are associated with many measurement errors. In an attempt to overcome some of these errors, dietary biomarkers have emerged as a complementary approach to these traditional methods. Metabolomics has developed as a key technology for the identification of new dietary biomarkers and to date, metabolomic-based approaches have led to the identification of a number of putative biomarkers. The three approaches generally employed when using metabolomics in dietary biomarker discovery are: (i) acute interventions where participants consume specific amounts of a test food, (ii) cohort studies where metabolic profiles are compared between consumers and non-consumers of a specific food and (iii) the analysis of dietary patterns and metabolic profiles to identify nutritypes and biomarkers. The present review critiques the current literature in terms of the approaches used for dietary biomarker discovery and gives a detailed overview of the currently proposed biomarkers, highlighting steps needed for their full validation. Furthermore, the present review also evaluates areas such as current databases and software tools, which are needed to advance the interpretation of results and therefore enhance the utility of dietary biomarkers in nutrition research.
Sponsorship
European Commission - Seventh Framework Programme (FP7)
Type of Material
Journal Article
Publisher
Cambridge University Press
Journal
Proceedings of the Nutrition Society
Copyright (Published Version)
2016 the Authors
Keywords
  • Metabolomics

  • Dietary biomarkers

  • Diet and nutrition

  • Dietary assessment

DOI
10.1017/S002966511600032X
Language
English
Status of Item
Peer reviewed
Description
25th Irish Postgraduate Conference, Radisson Blu Hotel, Cork, Ireland, 11-12 February 2016
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Agriculture and Food Science Research Collection
Scopus© citations
33
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