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Johnson, AE, Sidwick, KL, Pirgozliev, VR, Edge, A and Thompson, DF (2020) The Effect of Storage Temperature on the Metabolic Profiles Derived from Chicken Eggs. Food Control, 109. 106930 -106930. ISSN 0956-7135
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Revised - The effect of storage temperature on the metabolic profiles.docx - Accepted Version
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Abstract
Metabonomic profiling, using High Performance Liquid Chromatography Quadrupole Time-of-Flight Mass Spectrometry (HPLC-Q-ToF-MS), was adopted in this study to uncover differences in the small molecule profiles of egg yolks, between two sets of six eggs that were stored at 5°C and 23°C for five weeks. Choline, a compound that has previously been shown to have potential use as a biomarker of egg age, was observed to have a significantly lower abundance in the yolks of eggs that were stored at 5°C for five weeks compared to eggs stored at 23°C for the same length of time. A follow-up targeted study observed that the previously discovered trend of increasing choline concentration in egg yolk, with increasing egg age, is not repeatable when the eggs are stored at 5°C rather than 23°C. It concluded that, by refrigerating eggs at 5°C, the accurate prediction of egg age using choline as a biomarker can be prevented.
Item Type: | Article |
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Additional Information: | This is the accepted author manuscript (AAM). The final published version (version of record) is available online via Elsevier at https://doi.org/10.1016/j.foodcont.2019.106930 - please refer to any applicable terms of use of the publisher. |
Uncontrolled Keywords: | Metabonomics, Chromatography, Mass spectrometry, Eggs, Fraud, Choline |
Subjects: | S Agriculture > S Agriculture (General) |
Divisions: | Faculty of Natural Sciences > School of Chemical and Physical Sciences |
Depositing User: | Symplectic |
Date Deposited: | 16 Dec 2019 15:18 |
Last Modified: | 25 Feb 2021 16:45 |
URI: | https://eprints.keele.ac.uk/id/eprint/7415 |