Calcium and magnesium concentrations in mature human milk: influence of calcium intake, age and socioeconomic level

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dc.contributor.authorVitolo, Marcia Regina [UNIFESP]
dc.contributor.authorSoares, LM Valente
dc.contributor.authorCarvalho, E. B.
dc.contributor.authorCardoso, C. B.
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.date.accessioned2018-06-15T13:56:03Z
dc.date.available2018-06-15T13:56:03Z
dc.date.issued2004-03-01
dc.description.abstractConcentrations of calcium and magnesium were measured in mature milk, collected between 30 and 90 days after childbirth, from a group of 90 mothers between 14 and 39 years of age, exclusively breastfeeding. The group was divided into three sub-groups: low socioeconomic-level adolescents (LSAd), low socioeconomic-level adults (LSA), and high socioeconomic-level adults (HSA). Each mother's nutritional status was determined using the body-mass index (BMI) and her eating habits, obtained on the basis of a 24-h dietary recall. Adolescent and adult mothers in the low socioeconomic-level group had lower average calcium intake (LSAd = 618.4 +/- 555.2 mg and LSA = 679.4 +/- 411.4 mg) than adult mothers in the higher socioeconomic-level group (853.6 +/- 415.5 mg). The average concentration of calcium in the adolescent mothers' milk (LSAd) was significantly lower (5.30 +/- 1.42 mmol Ca/L, P = 0.01) than that of the two adult groups (LSA = 5.82 +/- 1.55 mmol Ca/L and HSA = 6.40 mmol Ca/L). The average magnesium concentrations for all groups did not show significant differences (LSAd = 1.06 +/- 0.18, LSA = 1.16 +/- 0.23 and HSA = 1.11 +/- 0.23 mmol Mg/L, for P = 0.16). These results indicate that magnesium concentrations in mature human milk do not seem to depend on maternal nutritional status. The condition of adolescence, however, associated with lower calcium intake by the mother, resulted in lower calcium concentrations in the milk secreted when compared to that of adult mothers.en
dc.description.affiliationUniv Fed Sao Paulo, BR-04023062 Sao Paulo, Brazil
dc.description.affiliationState Univ Campinas, Campinas, SP, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo, BR-04023062 Sao Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent118-122
dc.identifierhttp://www.scielo.org.ve/scielo.php?script=sci_arttext&pid=S0004-06222004000100017&lng=es&nrm=iso&tlng=en
dc.identifier.citationArchivos Latinoamericanos De Nutricion. Caracas: Archivos Latinoamericanos Nutricion, v. 54, n. 1, p. 118-122, 2004.
dc.identifier.fileS0004-06222004000100017.pdf
dc.identifier.issn0004-0622
dc.identifier.scieloS0004-06222004000100017
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/42679
dc.identifier.wosWOS:000222283700017
dc.language.isoeng
dc.publisherArchivos Latinoamericanos Nutricion
dc.relation.ispartofArchivos Latinoamericanos De Nutricion
dc.rightsAcesso aberto
dc.subjectcalciumen
dc.subjectmagnesiumen
dc.subjecthuman milken
dc.titleCalcium and magnesium concentrations in mature human milk: influence of calcium intake, age and socioeconomic levelen
dc.typeArtigo
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