GAMMA IRRADIATION AND INTERRELATION OF DIETARY VITAMIN A AND COPPER ON THEIR DEPOSITION IN THE LIVER OF SWINE
Journal Article
·
· Journal of Nutrition (U.S.)
OSTI ID:4747502
A study was made to determine whether dietary vitamin A had an effect on the level of deposition of Cu in liver; whether dietary Cu had an effect on the deposition of vitamin A in the liver; and whether whole-body gamma irradiation had any effect on the deposition of vitamin A and Cu in the liver of swine. Vitamin A unsupplemented pigs had only 2 to 3 N of vitamin A/g fresh weight of liver. High vitamin A values (116 to 122 IU/g) in the liver of supplemented pigs demonstrated the remarkable capacity of the liver to store vitamin A when it is present in the diet. Whole-body Co/sup 60/ irradiation with 630 r had no significant effect on the deposition of vitamin A in these tissues. Swine that received no supplemental vitamin A had a greater concentration of Cu in liver, and irradiation resulted in a greater deposition of Cu in the liver. However, dietary vitamin A and irradiation did not affect deposition of Cu in heart and gracilis muscle. Cu supplementation increased the level of vitamin A in liver, possibly on account of the effect of CuSO/sub 4/ in eradicating intestinal parasites. (TCO)
- Research Organization:
- Univ. of Florida, Gainesville
- NSA Number:
- NSA-17-017729
- OSTI ID:
- 4747502
- Journal Information:
- Journal of Nutrition (U.S.), Journal Name: Journal of Nutrition (U.S.) Vol. Vol: 78; ISSN JONUA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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