The Copper Metabolism and Requirement of Young Women

Leverton, Ruth M.; Binkley, Emily S.

doi:10.1093/jn/27.1.43

Cited by 34 publications

(9 citation statements)

References 16 publications

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“…Several studies in humans of dietary copper intake, copper excretion, copper balance, and tissue copper concentrations in cadavers were reported in the 1930s and 1940s (2)(3)(4)(5). Data were used to estimate copper requirements and make dietary intake recommendations, but the data that could be obtained at that time did not lend itself to an understanding of the metabolic fate of copper.…”

Section: Early Research On Copper Metabolismmentioning

confidence: 99%

Human whole-body copper metabolism

Turnlund

1998

The American Journal of Clinical Nutrition

274

137

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Section: Early Research On Copper Metabolismmentioning

confidence: 99%

Human whole-body copper metabolism

Turnlund

1998

The American Journal of Clinical Nutrition

274

137

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“…While some balanced studies [13][14][15] sug gest that intake levels of copper meeting nor mal requirements may fall within the range of 2.0-2.6 mg/day, others, and more recent studies [16][17][18][19], infer that much lower levels could still maintain a positive balance. In one of these studies [14] a pregnant woman was shown to have maintained a positive balance on an intake level of 2.2 mg copper/day.…”

Section: Introductionmentioning

confidence: 99%

Relationship between Dietary and Plasma Copper Levels of Pregnant Nigerian Women

Mbofung

Atinmo

1985

Ann Nutr Metab

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Dietary copper intake as well as plasma copper levels were assessed in a group of pregnant Nigerian women during the third trimester of pregnancy. Intake of zinc, protein and energy was also measured. Dietary intake was assessed by cumulative 24-hour recalls while plasma copper was assessed by atomic absorption spectrophotometry. Dietary copper levels were relatively lower than those documented in the literature for other physiological groups. The intake of other nutrients was below recommended dietary allowances. When corrected for the effect of gestation and maternal age, one-way analysis of variance showed that plasma copper varied with the level of dietary copper intake. Correlation analysis seems to suggest that the influence of dietary copper on plasma levels during pregnancy is partially dependent on the relative amounts of copper and zinc as represented by the coppeπzinc ratio in the diets consumed.

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“…separating funnel for the determination of copper as described below. (Marston, 1950 Tompsett (1934a) .. 6 210-380* 300 - Leverton (1939) .. The values recorded here (see Table IV) vary from 3.9 to 29.6 Mug.…”

Section: Methodsmentioning

confidence: 71%

“…It can be seen from Table III that the values previously published for the urinary copper excretion of healthy adult Europeans and Americans Tompsett (1934a) .. 6 210-380* 300 - Leverton (1939) .. The results of Rabinowitch (1933) published under the heading "The Copper Content of the Urine of Normal Individuals" extend over an even greater range, viz., 0-700 Mg. per 24 hours (mean >285 Mg.), and have frequently been quoted as normal values.…”

Section: Resultsmentioning

confidence: 82%