皮膚からの無機質排泄と銅および鉄の出納に関する研究 (3)
乳児についての実験 (その3)
1960 年 18 巻 6 号 p. 326-333
詳細
1960 年 18 巻 6 号 p. 326-333
Continuing to the former report concerning the mineral excretion through the skin of the adult women, the author attempted in this report, to do the same experiment on infants.
Experimantal method was same as in the former reports.
Fourteen artificially-fed healthy infants, from 35 to 300 days old, were adopted as subjects in this experiment.
The average daily losses of minerals from the skin were: copper 0.6mg., iron 1.4mg. Calcium 22mg. and phosphorus 31mg. respectively.
Copper and iron metabolism were also studied. on the same infants. Average copper intake was 0.87mg./day, or 0.172mg/day/kg., and its retention was 0.17mg./day, or 0.033mg./day/kg..
Average iron intake was 7.2mg./day, or 1.4mg./day/kg., the retention being 1.37mg./day, or 0.29mg./day/kg.,
No significant variation due to the age or body weight of the infants was seen on the retention of copper and iron, and also on the mineral losses from the skin.
