Studies in human lactation 3: molybdenum and nickel in human milk during the first month of lactation

Molybdenum and nickel were measured in 62 and 46 samples, respectively, of human milk collected from 13 women between delivery and 38 d postpartum. Trace elements were analyzed by graphite-furnace atomic absorption spectrophotometry, with standard additions to whole milk without pretreatment. Molybd...

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Veröffentlicht in:The American journal of clinical nutrition 1987-05, Vol.45 (5), p.921-926
Hauptverfasser: Casey, C E, Neville, M C
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container_title The American journal of clinical nutrition
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creator Casey, C E
Neville, M C
description Molybdenum and nickel were measured in 62 and 46 samples, respectively, of human milk collected from 13 women between delivery and 38 d postpartum. Trace elements were analyzed by graphite-furnace atomic absorption spectrophotometry, with standard additions to whole milk without pretreatment. Molybdenum levels (mean +/- SD) fell from 15.0 +/- 6.1 ng/mL on day 1 to an apparently constant level of 1-2 ng/mL by 1 mo. Nickel concentrations did not change with time; the overall mean was 1.2 +/- 0.4 ng/mL. Intakes of the elements by infants were calculated with test-weighing data on the fully breast-fed infants of these same mothers. By 1 mo, the average daily intake of molybdenum was 1.5 micrograms; that of nickel was 0.8 microgram.
doi_str_mv 10.1093/ajcn/45.5.921
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identifier ISSN: 0002-9165
ispartof The American journal of clinical nutrition, 1987-05, Vol.45 (5), p.921-926
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subjects BESOIN NUTRITION
Breast Feeding
COMPOSICION
COMPOSITION
Female
Humans
Infant
Infant, Newborn
LECHE HUMANA
Milk, Human - analysis
MOLIBDENO
MOLYBDENE
Molybdenum - analysis
NECESIDADES DE NUTRIENTES
NICKEL
Nickel - analysis
NIQUEL
NLAIT HUMAIN
Pregnancy
Spectrophotometry, Atomic
Time Factors
title Studies in human lactation 3: molybdenum and nickel in human milk during the first month of lactation
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