Estimation of chicken intake using metabolomics derived markers

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Title: Estimation of chicken intake using metabolomics derived markers
Authors: Yin, XiaofeiGibbons, HelenaRundle, MilenaMcNulty, Breige A.Nugent, Anne P.Gibney, Michael J.Brennan, Lorraineet al.
Permanent link: http://hdl.handle.net/10197/9340
Date: 1-Oct-2017
Online since: 2018-04-24T01:00:13Z
Abstract: Background: Improved assessment of meat intake using metabolomics derived markers can provide objective data and could be helpful in clarifying proposed associations between meat intake and health.Objective: The objective was to identify novel markers of chicken intake using a metabolomics approach, and use markers to determine intake in an independent cohort. Methods: Ten participants (age, 62 y; BMI, 28.25 Kg/m2) in NutriTech Food Intake Study (NCT01684917) consumed increased amounts of chicken from 88 to 290 g/day over three weeks. Urine and blood samples were analyzed by NMR and MS, respectively. Multivariate data analysis was performed to identify markers associated with chicken intake. A calibration curve was built based on dose response association using NutriTech data. Bland and Altman analysis evaluated the agreement between reported and calculated chicken intake in National Adult Nutrition Survey (NANS) cohort. Results: Multivariate data analysis of postprandial and fasting urine samples collected in NutriTech revealed good discrimination between high (290 g/day) and low (88 g/day)  chicken intakes. Urinary metabolite profiles showed differences in metabolite levels between low and high chicken intakes. Examining metabolite profiles revealed guanidoacetate significantly increased from 1.47 to 3.66 mmol/L following increasing chicken intake from 88 to 290 g/day (P < 0.01). Using a calibration curve developed from NutriTech study, chicken intake was calculated in NANS, where chicken consumers had higher guanidoacetate excretion (0.70 mmol/L) than non-consumers (0.47 mmol/L) (P < 0.01). Bland and Altman analysis revealed good agreement between reported and calculated intakes with a bias of -30.2g/day. Plasma metabolite analysis demonstrated that 3-methylhistidine (3-Meth-His) was a more suitable indicator of chicken intake compared with 1-methylhistidine (1-Meth-His). Conclusions: Guanidoacetate was successfully identified and confirmed as a marker of chicken intake, and importantly its measurement in fasting urine samples could be used to determine chicken intake in a free-living population.
Funding Details: Department of Agriculture, Food and the Marine
European Commission - Seventh Framework Programme (FP7)
European Research Council
Funding Details: NutriTech
Type of material: Journal Article
Publisher: Oxford University Press
Journal: Journal of Nutrition
Volume: 147
Issue: 10
Start page: 1850
End page: 1857
Copyright (published version): 2017 Oxford University Press
Keywords: MetabolomicsDietary markersGuanidoacetateEstimated chicken intake3-methylhistidine
DOI: 10.3945/jn.117.252197
Language: en
Status of Item: Peer reviewed
This item is made available under a Creative Commons License: https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Appears in Collections:Institute of Food and Health Research Collection
Agriculture and Food Science Research Collection

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