Specific Dynamic Action of Protein in Men Past 60 Years of Age
- 1 April 1953
- journal article
- research article
- Published by American Physiological Society in Journal of Applied Physiology
- Vol. 5 (10) , 631-634
- https://doi.org/10.1152/jappl.1953.5.10.631
Abstract
The responses of old men (mean age 77 yrs.) and young men (mean age 24 yrs.) to the ingestion of a standard protein test meal, which yielded 25 g. protein, were compared. The S.D.A., expressed as total excess O2 utilization, was essentially the same in both age groups. The older subjects exhibited a slower initial response to the protein meal but had both thigher peak values and increased excess O2 utilization during the 2d half of a 4.5 hr. test period.Keywords
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