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Influences of maternal dietary intake and suckling on breast milk lipid and fatty acid composition in low-income women from Brasilia, Brazil.
da Cunha, Juliana; Macedo da Costa, Teresa Helena; Ito, Marina Kiyomi.
Afiliação
  • da Cunha J; Faculty of Health Sciences, University of Brasilia, Brasilia, DF, 70910-900, Brazil.
Early Hum Dev ; 81(3): 303-11, 2005 Mar.
Article em En | MEDLINE | ID: mdl-15814213
Diet has a strong effect, while suckling stimulus is believed not to influence breast milk fatty acids. The effect of dietary pattern and suckling on the fatty acid composition of Brazilian women's breast milk was studied. A cross-sectional study was conducted with low-income women living in the central region of Brazil, where dietary DHA is not readily available. Fore and hind milk fatty acids were collected from 77 women on day 15+/-1 postpartum, and information on maternal characteristics and dietary habit was taken. The effect of suckling stimulus was measured by the changes between fore and hind milk. The mean body mass index (BMI) of volunteers was 23.7+/-3.2 kg/m(2), and the milk lipid concentration was 4.8+/-1.2 g/dl. A mixture of traditional and western type of dietary habit, high in fat and sugar was observed. The fatty acids of the subject's milk were 41.93+/-1.42% saturated, 33.31+/-1.67% monounsaturated and 25.03+/-5.23% polyunsaturated (wt/wt). The DHA level in the milk was 0.34+/-0.19%, similar to the values found in milk of many western societies. DHA and 18:3n-3 levels increased from fore to hind milk (p<0.05). Correlation existed mostly between dietary components and milk 16:0 and oleic acid (18:0). An analysis of classes of fatty acids in milk showed oleic acid (18:0) to present a negative correlation with all milk fatty acid classes. The results suggest that breast milk fatty acids of Brazilian women reflect a western maternal dietary pattern and are influenced by the suckling.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dieta / Ácidos Graxos / Leite Humano Tipo de estudo: Observational_studies / Prevalence_studies / Risk_factors_studies Aspecto: Determinantes_sociais_saude Limite: Female / Humans / Newborn País/Região como assunto: America do sul / Brasil Idioma: En Revista: Early Hum Dev Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Brasil País de publicação: Irlanda
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dieta / Ácidos Graxos / Leite Humano Tipo de estudo: Observational_studies / Prevalence_studies / Risk_factors_studies Aspecto: Determinantes_sociais_saude Limite: Female / Humans / Newborn País/Região como assunto: America do sul / Brasil Idioma: En Revista: Early Hum Dev Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Brasil País de publicação: Irlanda