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- Title
Calcium Requirement in Elderly Japanese Women.
- Authors
deSouza, A.C.; Nakamura, T.; Stergiopoulos, K.; Shiraki, M.; Ouchi, Y.; Orimo, H.
- Abstract
In order to evaluate calcium requirements (RC) in Japanese elderly women, a calcium balance study was carried out in 9 osteoporotics (73.9 ± 2.7 years old, mean ± SE) and 9 normal elderly women (67.0 ± 2.5 years old). Diet containing 700 mg/day of calcium were given for at least 1 week. Then, diets containing approximately 700 mg/day (722.5 ± 91.9 mg/ day) of calcium in the 1st week and 1,474 mg/day of calcium in the 2nd week were served. The amount of calcium intake to maintain zero balance defined as daily RC was 550.4 ± 50.0 and 648.8 ± 44.7 mg/day in normal and osteoporotic subjects, respectively. There was no statistically significant difference between these two groups. Although the recommended daily allowance (RDA) for the adult Japanese is 600 mg/day, our study suggests that RDA in the elderly Japanese should be 847 mg. Copyright © 1991 S. Karger AG, Basel
- Publication
Gerontology, 1991, Vol 37, Issue S1, p43
- ISSN
0304-324X
- Publication type
Article
- DOI
10.1159/000213296