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Journal of Animal Science, Vol 68, Issue 3 782-787, Copyright © 1990 by American Society of Animal Science

JOURNAL ARTICLE

Plasma and tissue vitamin E concentrations in sheep after administration of a single intraperitoneal dose of dl-alpha-tocopherol

N. Hidiroglou, G. Butler and L. R. McDowell
Dept. of Anim. Sci., University of Florida, Gainesville 32601.

Blood plasma and tissue Vitamin E concentrations were determined in 20 sheep following a single i.p. dose of 5 g of dl-alpha-tocopherol. In addition, five sheep were used as controls (no treatment and killed at d 0). From the 20 vitamin E-dosed sheep, 4 were slaughtered on d 3, 6, 10, 15 and 28 after dosing. There was a significant time effect in alpha-tocopherol concentrations in all tissues. In most tissues, the peak alpha-tocopherol concentration was at 3 d postdosing. Uptake varied among the different tissues examined. Three days postdosing, a large uptake of vitamin E by the liver was observed; this supports the concept that hepatic tissues are a target organ for vitamin E action. Also at 3 d uptake was pronounced in spleen and lung. Vitamin E concentrations in the other body tissues at d 3 postdosing increased considerably, but to a lesser degree than those in liver, spleen and lung. Vitamin E concentration in all tissues declined 3 d after i.p. dosing.


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R. J. Bouwstra, R. M. A. Goselink, P. Dobbelaar, M. Nielen, J. R. Newbold, and T. van Werven
The Relationship Between Oxidative Damage and Vitamin E Concentration in Blood, Milk, and Liver Tissue from Vitamin E Supplemented and Nonsupplemented Periparturient Heifers
J Dairy Sci, March 1, 2008; 91(3): 977 - 987.
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Copyright © 1990 by the American Society of Animal Science.