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Page 1
A role for ascorbic acid in copper transport.
Harris ED, Percival SS. Harris ED, et al. Am J Clin Nutr. 1991 Dec;54(6 Suppl):1193S-1197S. doi: 10.1093/ajcn/54.6.1193s. Am J Clin Nutr. 1991. PMID: 1962569 Review.
Scurvy-like symptoms have been seen in experimental copper deficiency. This forecasts a role for the vitamin in copper metabolism. Ascorbate has been known to antagonize the intestinal absorption of copper. More recent studies have characterized a postabsorpt …
Scurvy-like symptoms have been seen in experimental copper deficiency. This forecasts a role for the vitamin in copper metabol …
Effect of varying ascorbic acid intakes on copper absorption and ceruloplasmin levels of young men.
Jacob RA, Skala JH, Omaye ST, Turnlund JR. Jacob RA, et al. J Nutr. 1987 Dec;117(12):2109-15. doi: 10.1093/jn/117.12.2109. J Nutr. 1987. PMID: 3694287
Intestinal copper absorption and blood measures of copper status were studied in healthy young men receiving varying intakes of ascorbic acid (AA) over 14 wk in a live-in nutrition suite. ...Measures of copper status were serum copper and …
Intestinal copper absorption and blood measures of copper status were studied in healthy young men receiving varying intakes o …
A postabsorption effect of L-ascorbic acid on copper metabolism in chicks.
Disilvestro RA, Harris ED. Disilvestro RA, et al. J Nutr. 1981 Nov;111(11):1964-8. doi: 10.1093/jn/111.11.1964. J Nutr. 1981. PMID: 6117609
We have studied the effect of L-ascorbic acid (vitamin C) on copper metabolism using copper-deficient chicks and the activation of lysyl oxidase copper-dependent enzyme, to assess bioavailability of copper. ...Substituting D-isoascorbic …
We have studied the effect of L-ascorbic acid (vitamin C) on copper metabolism using copper-deficient chicks and …
Ascorbic acid supplementation and copper status in rats.
Van den Berg GJ, Van Wouwe JP, Beynen AC. Van den Berg GJ, et al. Biol Trace Elem Res. 1989-1990 Winter;23:165-72. doi: 10.1007/BF02917187. Biol Trace Elem Res. 1989. PMID: 2484423
The effect of a high concentration (1%, w/w) of ascorbic acid in a Cu-adequate (150 mumol/kg) purified diet was studied in rats. After 6 wk, ascorbic acid had significantly reduced Cu concentrations in muscle and bone. The estimated whole body content …
The effect of a high concentration (1%, w/w) of ascorbic acid in a Cu-adequate (150 mumol/kg) purified diet was studied in rat …
Influence of ascorbic acid supplementation on copper status in young adult men.
Finley EB, Cerklewski FL. Finley EB, et al. Am J Clin Nutr. 1983 Apr;37(4):553-6. doi: 10.1093/ajcn/37.4.553. Am J Clin Nutr. 1983. PMID: 6837490
The influence of ascorbic acid supplementation on the copper status of young adult men was investigated. ...Analyses were repeated 20 days after the ascorbic acid supplement was terminated. Serum ceruloplasmin activity was significantly r …
The influence of ascorbic acid supplementation on the copper status of young adult men was investigated. ...Analyses we …
Ascorbic acid levels in aqueous and vitreous humors of the rabbit: effects of inflammation and ceruloplasmin.
McGahan MC. McGahan MC. Exp Eye Res. 1985 Sep;41(3):291-8. doi: 10.1016/s0014-4835(85)80019-1. Exp Eye Res. 1985. PMID: 3877640
Ceruloplasmin caused a decrease in the amount of ascorbic acid in the aqueous humor in vitro and the vitreous humor in vivo. The presence of ceruloplasmin in the aqueous humor during inflammation thus may contribute to the decreased concentration of …
Ceruloplasmin caused a decrease in the amount of ascorbic acid in the aqueous humor in vitro and the vitreous humor in …
Interaction of dietary carbohydrate, ascorbic acid and copper with the development of copper deficiency in rats.
Johnson MA. Johnson MA. J Nutr. 1986 May;116(5):802-15. doi: 10.1093/jn/116.5.802. J Nutr. 1986. PMID: 3701458
These diets varied in copper (1.11 or 8.96 micrograms Cu/g diet), carbohydrate (sucrose or cornstarch, 62.3%) and ascorbic acid (0 or 1%). ...In copper-deficient rats, sucrose tended to lower the apparent absorption of copper compared to cornsta …
These diets varied in copper (1.11 or 8.96 micrograms Cu/g diet), carbohydrate (sucrose or cornstarch, 62.3%) and ascorbic …
Effect of ascorbic acid on copper and cholesterol in adult cynomolgus monkeys fed a diet marginal in copper.
Milne DB, Omaye ST, Amos WH Jr. Milne DB, et al. Am J Clin Nutr. 1981 Nov;34(11):2389-93. doi: 10.1093/ajcn/34.11.2389. Am J Clin Nutr. 1981. PMID: 7304479
The effects of prolonged consumption of high levels of dietary ascorbic acid on copper metabolism and cholesterol in adult monkeys fed a diet low or marginal in copper were investigated. Small reductions in serum copper and in serum cerulopla …
The effects of prolonged consumption of high levels of dietary ascorbic acid on copper metabolism and cholesterol in ad …
Adverse effects of high dietary iron and ascorbic acid on copper status in copper-deficient and copper-adequate rats.
Johnson MA, Murphy CL. Johnson MA, et al. Am J Clin Nutr. 1988 Jan;47(1):96-101. doi: 10.1093/ajcn/47.1.96. Am J Clin Nutr. 1988. PMID: 3337044
The effects of elevated dietary ascorbic acid and iron on copper utilization were examined. Male Sprague-Dawley rats were fed one of two levels of Cu (deficient, 0.42 microgram Cu/g, or adequate, 5.74 micrograms Cu/g), Fe (moderate, 38 micrograms Fe/g or high …
The effects of elevated dietary ascorbic acid and iron on copper utilization were examined. Male Sprague-Dawley rats we …
Ascorbate enhances copper transport from ceruloplasmin into human K562 cells.
Percival SS, Harris ED. Percival SS, et al. J Nutr. 1989 May;119(5):779-84. doi: 10.1093/jn/119.5.779. J Nutr. 1989. PMID: 2723826
Copper uptake from human ceruloplasmin (Cp) into cells of a human erythroleukemic cell line, K562, was investigated. The interaction between ascorbic acid and the copper atoms in ceruloplasmin was a focal point of the study. Nondenatured …
Copper uptake from human ceruloplasmin (Cp) into cells of a human erythroleukemic cell line, K562, was investigated. The inter …
95 results