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Title
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Copper, zinc and selenium concentrations in milk from middle-class women in Burundi (Africa) throughout the first 10 months of lactation
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Author
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Abstract
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| Copper, zinc and selenium were measured in a total of 47 samples of human milk from five middle-class women from Burundi, Africa. Milk samples were taken from day 2 after delivery to 10 months postpartum Copper and zinc were analyzed by flame atomic absorption spectrometry, while a hydride generation mode was used for selenium. The average copper concentration declined from 0.59 +/- 0.01 mu g ml(-1) at day 2 to 0.08 +/- 0.04 mu g ml(-1) after 10 months of lactation. Zinc levels decreased from a mean of 3.8 +/- 0.5 mu g ml(-1) to 0.75 +/- 0.02 mu g ml(-1) after 10 months. For selenium, the concentration at day 2 (15.2 +/- 2.3 ng ml(-1)) declined only after 2 weeks to a value of 5.2 ng ml(-1) 10 months postpartum. For copper a diurnal variation was observed. Compared to literature data, copper and zinc levels in Burundian women proved to be in the normal range, while selenium concentration levels were at a lower level. |
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Language
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English
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Source (journal)
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The science of the total environment. - Amsterdam, 1972, currens
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Publication
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Amsterdam
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1995
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ISSN
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0048-9697
[print]
1879-1026
[online]
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DOI
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10.1016/0048-9697(95)04456-B
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Volume/pages
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164
:2
(1995)
, p. 161-174
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ISI
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A1995QN94200007
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Full text (Publisher's DOI)
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