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Retinol, α-tocopherol, and selected minerals in breast milk of lactating women with full-term infants in South Korea
- Retinol, α-tocopherol, and selected minerals in breast milk of lactating women with full-term infants in South Korea
- Kim H.; Jung B.-M.; Lee B.-N.; Kim Y.-J.; Jung J.A.; Chang N.
- Ewha Authors
- 장남수; 김혜숙
- SCOPUS Author ID
- 장남수; 김혜숙
- Issue Date
- Journal Title
- Nutrition Research and Practice
- Nutrition Research and Practice vol. 11, no. 1, pp. 64 - 69
- Breast milk; Fats; Korea; Minerals; Vitamins
- Korean Nutrition Society
- SCIE; SCOPUS; KCI
- Document Type
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- 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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