Document Detail

Selenium content and distribution in cow's milk supplemented with two dietary selenium sources.
MedLine Citation:
PMID:  16332137     Owner:  NLM     Status:  MEDLINE    
The effect of two sources of Se, selenized yeast (Se-Y) and sodium selenite, added to total mixed rations (TMR) fed to cows on Se milk content and distribution in milk components was studied on three farms for 6 weeks. The maximal increase in milk Se was attained with Se-Y supplemented at 0.3 microg g(-1). The effect was immediate, with an increase of 9 microg L(-1) being observed after only 5 days, and remained steady until the last sample at day 40 of Se supplementation. Se distribution in milk components was constant, 53.6, 42.6, and 9.3% in whey, casein, and fat, respectively, and was unaffected by the form of supplementation. The effect of the level of Se-Y supplementation on milk Se was studied on two farms. Increasing dietary Se-Y from 0 to 0.5 microg g(-1) elevated milk Se content from 20 to 39 microg L(-1). Se-enriched cow's milk at different levels can be produced by varying dietary Se supplementation in the form of selenized yeast.
Oscar Mu?iz-Naveiro; Raquel Dom?nguez-Gonz?lez; Adela Bermejo-Barrera; Jos? A Cocho de Juan; Jos? M Fraga Berm?dez; Alfonso Goris Pereiras; Antonio L?pez Santamari?a; Ismael Mart?nez Lede; Javier Valledor Puente; Luis Fern?ndez-Couto G?mez; Pilar Bermejo-Barrera
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  53     ISSN:  0021-8561     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2005-12-07     Completed Date:  2006-02-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  9817-22     Citation Subset:  IM    
Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, University of Santiago de Compostela, Avenida de las Ciencias s/n, E-15782 Santiago de Compostela, Spain.
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MeSH Terms
Dietary Supplements
Milk / chemistry*
Saccharomyces cerevisiae
Selenium / administration & dosage*,  analysis*
Selenomethionine / analysis
Reg. No./Substance:
1464-42-2/Selenomethionine; 7782-49-2/Selenium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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