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Variation in nutritional quality in UK retail eggs

Lookup NU author(s): Eleni Chatzidimitriou, Dr Hannah DavisORCiD, Emeritus Professor Chris SealORCiD, Gillian Butler

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2024 The AuthorsFatty acid (FA), carotenoid and vitamin contents of UK eggs were assessed for four production systems (caged (CA), free-range (FR), organic (OR) and extensive organic (EO)) as well as season. The impact of enforced housing, due to avian influenza, was also investigated. Production system did not alter vitamin D3, B2 or B9 content, but significantly influenced nutritionally desirable FA, carotenoid and vitamins A and E - concentrations decreased as production intensity increased, although for most, CA and FR did not differ significantly. Vitamin E and FA profiles for OR and EO were also similar, although carotenoids were higher in EO eggs. In contrast, FA, carotenoids, vitamins E and B9 were consistent throughout the year, unlike vitamins A, D3 and B2, which fluctuated with season; D and B2 were higher in July than January and lower vitamin A was the only detected implication from enforced housing of FR and OR birds.

Publication metadata

Author(s): Chatzidimitriou E, Davis H, Baranski M, Jakobsen J, Seal C, Leifert C, Butler G

Publication type: Article

Publication status: Published

Journal: Food Chemistry

Year: 2024

Volume: 454

Online publication date: 21/05/2024

Acceptance date: 20/05/2024

Date deposited: 03/06/2024

ISSN (print): 0308-8146

ISSN (electronic): 1873-7072

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.foodchem.2024.139783

DOI: 10.1016/j.foodchem.2024.139783

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