| Effect of short-term UVB exposure on vitamin D concentration of eggs and vitamin D status of laying hens. | |
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MedLine Citation:
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PMID: 22185347 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Vitamin D deficiency in humans is widespread and only a few food items are important natural sources of vitamin D. This study investigated the effect of UVB exposure of laying hens on the vitamin D content in egg yolk. In a two-factorial design hens fed a vitamin D-deficient (-D) or -adequate (+D) diet were non-exposed or exposed to UVB light over a period of 4 wk. UVB exposure of the -D group caused nearly normal egg production rate and egg shell quality; exposure of the +D group did not further improve these parameters. UVB exposure tended to improve the concentration of plasma 25-hydroxycholecalciferol (25(OH)D3), but had no effect on 1,25-dihydroxycholecalciferol in plasma nor on cholecalciferol and 25(OH)D3 in egg yolk. The present study shows that a short-term exposure of laying hens with UVB light is not an appropriate way to improve the vitamin D content of egg yolk. |
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Authors:
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Julika Lietzow; Holger Kluge; Corinna Brandsch; Nicole Seeburg; Frank Hirche; Marcus Andreas Glomb; Gabriele I Stangl |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-20 |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: - ISSN: 1520-5118 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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