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The influence of dietary molybdenum on the xanthine oxidase activity of the milk of ruminants

Published online by Cambridge University Press:  09 March 2007

L. I. Hart ,
E. C. Owen  and
R. Proudfoot
L. I. Hart
Affiliation:
Hannah Dairy Research Institute, Ayr, Scotland
E. C. Owen
Affiliation:
Hannah Dairy Research Institute, Ayr, Scotland
R. Proudfoot
Affiliation:
Hannah Dairy Research Institute, Ayr, Scotland
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Abstract

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1.The oral administration of sodium molybdate caused a rapid rise of molybdenum in the milk of cows and goats fed on a low-molybdenum diet, but did not affect the xanthine oxidase activities of the milk of either species.

2.In the milks of cows not dosed with sodium molybdate, the regression of the xanthin oxidase activity (y) on the molybdenum content (x) was found to be y = 170.7x+43.86 (r = +0.9386; P < 0.0001), suggesting that all the molybdenum of such milk is bound to enzymically active xanthine oxidase.

3.The molybdenum contents of the milk of goats not does with sodium molybdate varied from animal to anumal and the xanthine oxidase activites were much lower than those of cow' milk. there was no correlation between xanthine oxidase activity and the molybdenum contend of the milks of the goats.

4. These results are discussed in relation to previous work of the authors and others.

Type
Research Article
Information
British Journal of Nutrition , Volume 21 , Issue 3 , September 1967 , pp. 617 - 630
Copyright
Copyright © The Nutrition Society 1967

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