Selemium Intake in Breast-fed Infants during Course of Lactation

  • Kim, Eul-Sang (Dept. of Food Science and Nutrition Dankook University,Seoul 140-714) ;
  • Keum, Hae-Kyoung (Dept. of Food Science and Nutrition Dankook University, Seoul 140-714) ;
  • Yuzo Tamari (Dept. of Chemistry, Konan University, Kobe 658, Japan)
  • 발행 : 1996.10.01

초록

The purposes of this study was 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 milks 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$\mu\textrm{g}$/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, 8.32 and 6.97$\mu\textrm{g}$/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.

키워드

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