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Retinol, α-tocopherol, and selected minerals in breast milk of lactating women with full-term infants in South Korea

Title
Retinol, α-tocopherol, and selected minerals in breast milk of lactating women with full-term infants in South Korea
Authors
Kim H.Jung B.-M.Lee B.-N.Kim Y.-J.Jung J.A.Chang N.
Ewha Authors
장남수김혜숙
SCOPUS Author ID
장남수scopus; 김혜숙scopus
Issue Date
2017
Journal Title
Nutrition Research and Practice
ISSN
1976-1457JCR Link
Citation
Nutrition Research and Practice vol. 11, no. 1, pp. 64 - 69
Keywords
Breast milkFatsKoreaMineralsVitamins
Publisher
Korean Nutrition Society
Indexed
SCIE; SCOPUS; KCI WOS scopus
Document Type
Article
Abstract
Background/Objectives: This study was performed to measure fat-soluble vitamins and minerals in breast milk of Korean lactating mothers who exclusively breastfed their babies. SUBJECTS/METHODS: Breast milk samples were collected from 334 mothers. Concentrations of retinol and α-tocopherol were analyzed by high performance liquid chromatography ultraviolet spectrometry while concentrations of minerals were measured by inductively coupled plasma optical emission spectrometry. Results: Retinol and α-tocopherol contents of breast milk were 39.58 ± 19.64 μg/dL and 0.23 ± 0.13 mg/dL, respectively. Average sodium, potassium, calcium, phosphorus, and magnesium levels in breast milk were 11.11 ± 5.16, 38.56 ± 9.01, 27.87 ± 6.10, 13.56 ± 3.30, and 3.05 ± 0.65 mg/dL, respectively. Contents of trace elements such as iron, zinc, copper, and manganese were 40.26 ± 46.21, 98.40 ± 62.47, 24.09 ± 9.03, and 0.90 ± 1.63 μg/dL, respectively. Fat-soluble vitamin concentration was positively correlated with total fat in milk samples, but no significant differences were observed in levels of retinol, α-tocopherol, or minerals based on whether or not lactating women were taking dietary supplements. Conclusions: Micronutrient contents of breast milk samples from Korean lactating women were comparable to those of other nations. Retinol and α-tocopherol levels were correlated and also with total fat in breast milk. © 2017 The Korean Nutrition Society and the Korean Society of Community Nutrition.
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DOI
10.4162/nrp.2017.11.1.64
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신산업융합대학 > 식품영양학과 > Journal papers
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