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Paper Information

Journal:   IRANIAN JOURNAL OF PEDIATRICS   MARCH 2010 , Volume 20 , Number 1; Page(s) 53 To 57.
 
Paper: 

ZINC AND COPPER CONCENTRATIONS IN HUMAN MILK AND INFANT FORMULAS

 
 
Author(s):  KHAGHANI SH.*, EZATPANAH HAMID, MAZHARI N., GIVIANRAD M.H., MIRMIRANPOUR H., SHAHI SADRABADI F.
 
* DEPARTMENT OF CLINICAL BIOCHEMISTRY, TEHRAN UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IR IRAN
 
Abstract: 

Objective: Available accurate data on the concentrations of copper (Cu) and zinc (Zn) in human milk throughout lactation and infant formulas is important both for formulating nutritional requirements for substances and to provide a base line for the understanding the physiology of their secretion. The objective of this study was to analyze the concentrations of zinc and copper in infant formulas and human milk during prolonged lactation. Levels of these metals were examined in relation to selected parameters such as age, weight, height, education and occupation of mothers.
Methods: Thirty mothers referred to the selected clinics in Tehran entered the study. Human milk samples were collected at 2 months postpartum. Zinc and copper concentrations were determined by atomic absorption spectrophotometer.
Findings: The mean values of Zn and Cu in human milk were 2.95
±0.77mg/L and 0.36±0.11 mg/L. The mean values of Zn and Cu in infant formulas were 3.98±0.25 mg/L and 0.53±0.17mg/L.

Conclusion: No significant relationship was found between levels of trace elements in human milk and evaluated parameters such as age, weight, height, education and occupation of mothers. The concentrations of zinc and copper in breast milk were lower than those reported in the literature.

 
Keyword(s): HUMAN MILK, INFANT FORMULA, COPPER, ZINC, BREAST MILK, NUTRITIONAL REQUIREMENTS
 
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