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RISS 인기검색어
- 검색키워드
- 저자 : Yuzo Tamari (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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Selenium Content of Infant Formulas and Estimated Intake of Infants in Japan and Korea
Yuzo Tamari,Eul-Sang Kim,Kyu-Han Lee 한국식품영양과학회 1998 Preventive Nutrition and Food Science Vol.3 No.3
Selenium contents of infant formulas that were commercially available in Japan and Korea were determined by the method of atomic absorption spectrometry with hydride generation. Total means of selenium contents were 45.2±22.1 ng/g (n=34) in all the Japanese formulas and 58.3±18.9 ng/g (n=22) in all the Korean formulas. Selenium contents of milk-based formulas (54.7±23.2 ng/g in Japan, n=20 and 64.8±12.6 ng/g in Korea, n=18) were significantly higher than those of soy-based formulas (36.8±10.2 ng/g in Japanese brands, n=3 and 26.6±16.2 ng/g in Korean ones, n=3) and special-use fomulas (30.1±11.0 ng/g in Japanese brands, n=11 and 36.4 ng/g in Korean one, n=1). Based on selenium data of these formulas the selenium intakes of infants have been estimated to be about 6.6 ㎍/day in Japanese and 8.1 ㎍/day in Korean by milk-based formula feeding.
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Selenium Intake in Breast - fed Infants during Course of Lactation
Eul-Sang Kim,Hae-Kyoung Keum,Yuzo Tamari 한국식품영양과학회 1996 Preventive Nutrition and Food Science Vol.1 No.2
The purposes of this study were to investigate selenium content of human milk and selenium intake of breast-fed infants at each period of lactation longitudinally. The human milk intake in breast-fed infants was measured by test-weighing method from 20 lactating mothers at 1, 2 and 3 months postpartum. Selenium content in the milk was determined by atomic absorption spectrophotometry with hydride generation after wet digestion of samples. Selenium intake in breast-fed infants was calculated by multiplying human milk intakes by selenium contents. The milk intakes were 640, 726 and 715g/day at 1, 2 and 3 months postpartum. The selenium contents in human milk were characterized by a pattern of slight decline with advancing stage of lactation: 13.1, 11.5 and 9.8㎍/L at 1,2 and 3 months during lactation. There was a large individual variation at any stage of this study. The mean dietary selenium intakes in breast-fed infants were 8.38, 8.35 and 6.98㎍/day at 1, 2 and 3 months postpartum, respectively. The mean daily intakes on a body weight basis were gradually decreased during the course of lactation.
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