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  • Amino acid composition of lactating mothers’ milk and confinement diet in rural North China

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    Author(s)
    Ding, Ming
    Li, Wei
    Zhang, Yumei
    Wang, Xiaoli
    Zhao, Ai
    Zhao, Xiaohui
    Wang, Peiyu
    Sheng, Qing Hai
    Griffith University Author(s)
    Wang, Peiyu
    Year published
    2010
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    Abstract
    This study was designed to investigate the amino acids composition of lactating mothers' milk and their confinement diet in a town in Northern China, as well as to assess the relation of amino acids content in human milk and diet. Forty lactating mothers age 19 to 35 years participated in the study. They were 4 to 180 days postpartum. A 24-hour dietary recall was done and amino acids content of maternal milk was analyzed. The main findings are as follows: (1) The protein content of human milk is 1.58 g/dL and the ratio of EAA to NEAA is about 1:2. The most abundant amino acids in human milk are GLU (16.0%), PRO (10.2%), ...
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    This study was designed to investigate the amino acids composition of lactating mothers' milk and their confinement diet in a town in Northern China, as well as to assess the relation of amino acids content in human milk and diet. Forty lactating mothers age 19 to 35 years participated in the study. They were 4 to 180 days postpartum. A 24-hour dietary recall was done and amino acids content of maternal milk was analyzed. The main findings are as follows: (1) The protein content of human milk is 1.58 g/dL and the ratio of EAA to NEAA is about 1:2. The most abundant amino acids in human milk are GLU (16.0%), PRO (10.2%), LEU (8.67%) and the lowest two are MET (1.76%) and TRP (0.91%). (2) The diet contains enough energy and protein, but lacks vitamins A, B and C, indicating that it is a characteristic confinement diet. Grain and eggs are the main source of protein, and soy and fish were consumed less frequently. (3) Amino acids composition in diet and milk are similar; and the correlation of the amino acids patterns between diet and milk is 0.989, demonstrating that the amino acid composition of diet is the foundation of that in human milk. However, almost no relation is found between the amino acids concentration in maternal diet and milk, suggesting that the amino acids content of the diet does not have a direct relation with that of human milk.
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    Journal Title
    Asia Pacific Journal of Clinical Nutrition
    Volume
    19
    Issue
    3
    Publisher URI
    http://apjcn.nhri.org.tw/server/APJCN/19/3/index.php
    Copyright Statement
    © 2010 HEC Press. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Nutrition and Dietetics
    Publication URI
    http://hdl.handle.net/10072/46866
    Collection
    • Journal articles

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