Journal of Nutritional Science and Vitaminology
Online ISSN : 1881-7742
Print ISSN : 0301-4800
ISSN-L : 0301-4800
Effects of Dietary Xenobiotics on the Metabolism of Copper, α-Tocopherol and Cholesterol in Rats
Hidehito OHCHITomoko KUSUHARATetsuyuki KATAYAMAKyoko OHARANorihisa KATOI
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1987 Volume 33 Issue 4 Pages 281-288

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Abstract

The effects of dietary addition of some xenobiotics on tissue levels of copper and α-tocopherol in rats were studied with special reference to serum cholesterol. The chemicals added here were 0.05 polychlorinated biphenyls (PCB), 0.3% caffeine, 0.05% 1, 1, l-trichloro-2, 2-bis(p-chlorophenyl)ethane (DDT), 0.3% flavone, 0.3% chloretone, 0.3% 2-tert-butyl-4-methoxyphenol (BHA), 0.15% sodium Phenobarbital, 0.15% phenytoin, 0.2% sodium pentobarbital, and 0.15% phenylbutazone. Of these chemicals, dietary PCB, caffeine, DDT, flavone, chloretone, BHA and phenytoin raised the level of copper in liver, kidney, or serum. Serum a-tocopherol and cholesterol also increased with the additive or synergistic effects on these metabolisms. Moreover, these combined addition of dietary 0.02% PCB with 0.2% BHA seemed to cause additive or synergistic effects on these metabolism. Moreover, these chemicals raised serum ceruloplasmin activity. In general, serum copper, ceruloplasmin activity and a-tocopherol were correlated with serum cholesterol in these dietary manipulations.

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