Document Detail

Zinc and copper concentrations in human preterm milk.
MedLine Citation:
PMID:  19774349     Owner:  NLM     Status:  MEDLINE    
Zinc and copper are important trace elements in the nutrition of preterm infants. This study determined and compared the concentrations of zinc and copper in preterm milk of mothers receiving and not receiving zinc supplementation diets. The effects of maternal supplementation on the blood levels and anthropometric parameters were evaluated. Thirty-eight mothers and their preterm infants were enrolled in the study. Eighteen mothers were given a daily supplementation of 50 mg zinc, whereas the other 20 were not. Zinc and copper levels in milk were determined at 15-day intervals, as were blood zinc levels along with anthropometric parameters. Zinc and copper contents were determined by atomic absorption spectrophotometry. No significant differences were found between groups either for zinc values in maternal milk and infant blood or for anthropometric measurements. A pronounced decrease in copper levels was observed in mothers receiving supplemental zinc. Zinc supplementation given to mothers who were breastfeeding preterm infants had no significant effect on zinc secretion in milk.
Carmen Silvia Martimbianco de Figueiredo; Durval Batista Palhares; Petr Melnikov; Aby Jaine da Cruz Montes Moura; Sandra Christo dos Santos
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Publication Detail:
Type:  Controlled Clinical Trial; Journal Article     Date:  2009-09-23
Journal Detail:
Title:  Biological trace element research     Volume:  136     ISSN:  1559-0720     ISO Abbreviation:  Biol Trace Elem Res     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-05-10     Completed Date:  2010-08-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7911509     Medline TA:  Biol Trace Elem Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1-7     Citation Subset:  IM    
Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, MS, Brazil.
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MeSH Terms
Breast Feeding
Copper / analysis*,  blood
Dietary Supplements
Infant, Newborn
Infant, Premature / blood*
Milk, Human / chemistry*
Zinc / administration & dosage,  analysis*,  blood
Reg. No./Substance:
7440-50-8/Copper; 7440-66-6/Zinc

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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