Eggs as a source of selenium in the human diet

[Display omitted] •The Se content of hen, turkey, duck and goose eggs was determined.•The highest mean concentration of Se was found in turkey, the lowest in duck eggs.•Se levels in hen eggs was dependent on the husbandry system.•In all bird species, the highest Se concentrations were in the yolk.•O...

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Bibliographic Details
Published in:Journal of food composition and analysis 2019-05, Vol.78, p.19-23
Main Authors: Pilarczyk, Bogumiła, Tomza-Marciniak, Agnieszka, Pilarczyk, Renata, Kuba, Jarosław, Hendzel, Diana, Udała, Jan, Tarasewicz, Zofia
Format: Article
Language:English
Subjects:
Avian eggs
Chicken
Duck
Food analysis
Food composition
Geese
RDA
Selenium
Turkey
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Summary:[Display omitted] •The Se content of hen, turkey, duck and goose eggs was determined.•The highest mean concentration of Se was found in turkey, the lowest in duck eggs.•Se levels in hen eggs was dependent on the husbandry system.•In all bird species, the highest Se concentrations were in the yolk.•One egg can supply 16–48% of Se RDA depending on the species. The aim of this study was to determine the selenium (Se) levels in the eggs of hens, turkeys, ducks and geese. In the investigated eggs, Se concentration was found to depend on bird species, with the highest concentration seen in geese and turkey eggs and the lowest in duck eggs. Se levels in hen eggs depended also on the husbandry system: the highest mean Se concentration being found in cage eggs and the lowest in barn-laid eggs. In all examined bird species, the highest Se concentration was found in the yolk being 3.0–6.7 times higher than in the albumen. One egg can supply 16–48% of Se RDA (Recommended Dietary Allowance), depending on the bird species. Eggs appear to be a valuable source of Se for humans and can play an important role as a functional food.
ISSN:0889-1575
1096-0481
DOI:10.1016/j.jfca.2019.01.014