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Mineral compositions in breast milk of healthy Chinese lactating women in urban areas and its associated factors
Zhao Ai1; Ning Yibing2; Zhang Yumei1; Yang Xiaoguang3; Wang Junkuan2; Li Wenjun4; Wang Peiyu1
关键词human breast milk mineral inter-mineral interactions associated factors
刊名CHINESE MEDICAL JOURNAL
2014-07-20
DOI10.3760/cma.j.issn.0366-6999.20133258
127期:14页:2643-2648
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Medicine, General & Internal
研究领域[WOS]General & Internal Medicine
关键词[WOS]PRETERM INFANTS ; MOTHERS ; DELIVERY ; NUTRITION ; IODINE ; ANESTHESIA ; INITIATION ; THYROXINE ; SHANGHAI ; SELENIUM
英文摘要

Background Optimal mineral intakes are important for infant growth and development. However, data on mineral compositions of breast milk in Chinese women are scarce, and most were acquired before 1990. The objectives of this study were three-fold: (1) to investigate the mineral compositions of Chinese healthy mothers′ breast milk in different lactation stages; (2) to explore correlations among mineral concentrations in breast milk; and (3) to explore the associated factors affecting mineral compositions in breast milk.

Methods The inductively coupled plasma mass spectrometry (ICP-MS) was used to analyze mineral concentrations in breast-milk of 444 healthy lactating women from three cities in China. A questionnaire was used to survey socio-demographic characteristics and pregnancy history. Food intakes by lactating women were measured using both food frequency questionnaire and one cycle of 24-hour dietary recall.

Results Mineral compositions of breast milk varied in different regions. Concentrations of most minerals were higher in the first one or two months of lactation, and then decreased with time, except for magnesium and iron. Inter-mineral correlations existed among several minerals. The calcium-to-phosphorus ratio was above 2:1 in each lactation stage. Women with caesarean section had higher concentration of iodine in the transitional milk (349.9 mu g/kg) compared to women with natural delivery (237.5 mu g/kg, P<0.001). Dietary mineral intakes, supplements, food intake frequencies in the recent 6 months, maternal age and maternal BMI did not show significant correlations with concentrations of milk minerals (all P>0.05).

Conclusions Milk minerals decreased with time, and changed most rapidly in the first one or two months of lactation. Caesarean section might affect the iodine level in transitional milk.

语种英语
WOS记录号WOS:000339860900018
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/66780
专题北京大学公共卫生学院
作者单位1.Nestle Res Ctr, Beijing 100095, Peoples R China
2.Nestle Nutr Inst, Beijing 100102, Peoples R China
3.Peking Univ, Dept Nutr & Food Hyg, Sch Publ Hlth, Hlth Sci Ctr, Beijing 100191, Peoples R China
4.Chinese Ctr Dis Control Prevent, Natl Inst Nutr & Food Safety, Beijing 100050, Peoples R China
推荐引用方式
GB/T 7714
Zhao Ai,Ning Yibing,Zhang Yumei,et al. Mineral compositions in breast milk of healthy Chinese lactating women in urban areas and its associated factors[J]. CHINESE MEDICAL JOURNAL,2014,127(14):2643-2648.
APA Zhao Ai.,Ning Yibing.,Zhang Yumei.,Yang Xiaoguang.,Wang Junkuan.,...&Wang Peiyu.(2014).Mineral compositions in breast milk of healthy Chinese lactating women in urban areas and its associated factors.CHINESE MEDICAL JOURNAL,127(14),2643-2648.
MLA Zhao Ai,et al."Mineral compositions in breast milk of healthy Chinese lactating women in urban areas and its associated factors".CHINESE MEDICAL JOURNAL 127.14(2014):2643-2648.
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