Infant formula iron dialysability related to other nutrients

Infant formula iron dialysability related to other nutrients

Autor Nogueira, Cristiane de Souza Autor UNIFESP Google Scholar
Colli, Celia Google Scholar
Amancio, Olga Maria Silverio Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Resumo The dialysable iron in relation to total iron, to protein sources, to calcium, magnesium, copper, zinc, and vitamin C of 17 infant formulas, from four different multinational companies were analyzed. Total iron, calcium, magnesium, copper, and zinc were determined by atomic absorption spectrophotometry. the dialysable iron was determined. the considered vitamin C concentration was that declared on the labels. There was no significant statistical relationship between total iron and dialysable iron (P = 0.54, r = 0.09) when considered separately. When analyzed considering protein sources, this relationship was shown to be inversely proportional to protein hydrolysate (P = 0.03, r = -0.72), and soy protein (P = 0.02, r = -0.93). the percentage of dialysable iron was significantly greater from the protein hydrolysate (P < 0.01). the dialysable iron showed a negative correlation with calcium (P < 0.05, r = -0.61). in conclusion, the infant formulas whose protein sources are casein and casein plus whey protein should present Ca:Fe and Fe:vitamin C ratios that allow considerable iron dialysability. (C) 2004 Elsevier B.V. All rights reserved.
Palavra-chave iron
infant formulas
nutrients
available
Idioma Inglês
Data de publicação 2005-05-01
Publicado em Food Chemistry. Oxford: Elsevier B.V., v. 90, n. 4, p. 779-783, 2005.
ISSN 0308-8146 (Sherpa/Romeo, fator de impacto)
Publicador Elsevier B.V.
Extensão 779-783
Fonte http://dx.doi.org/10.1016/j.foodchem.2004.05.026
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000225386000039
Endereço permanente http://repositorio.unifesp.br/handle/11600/28258

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