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Protections against photooxidation of milk by a high urate content

Østdal, Henrik; Weisbjerg, Martin; Skibsted, Leif and Nielsen, Jacob H. (2008) Protections against photooxidation of milk by a high urate content. Milchwissenschaft, 63 (2 ), pp. 119-122.

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Summary

Differences of susceptibility to light induced oxidation in milk with a low or high content of urate was studied. The natural urate content of the cows milk was manipulated by different feeding regimes. It was found that milk with a high content of urate was less prone to photo-induced lipid - and protein oxidation measured as the formation of lipid hydroperoxides and dityrosine, respectively. It is suggested that urate reacts directly with sensitized riboflavin and/or by reaction with singlet oxygen.
The overall conclusion is that it is possible to improve the antioxidative capacity of milk by increasing the natural urate content through strategic feeding of the dairy cow.


EPrint Type:Journal paper
Subjects: Food systems > Food security, food quality and human health
Research affiliation: Denmark > DARCOF II (2000-2005) > II. 2 (ORMILQ) Production of organic milk of high quality ...
Deposited By: Nielsen, Head of research unit Jacob Holm
ID Code:3963
Deposited On:16 Nov 2004
Last Modified:18 Oct 2012 13:16
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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