PLASMA VITAMIN A AND ITS CLINICAL SIGNIFICANCE
- 1 June 1949
- journal article
- review article
- Published by American Medical Association (AMA) in American Journal of Diseases of Children
- Vol. 77 (6), 763-773
- https://doi.org/10.1001/archpedi.1949.02030040778009
Abstract
THE reliable methods for the determination of vitamin A in the blood plasma or serum has greatly contributed to the knowledge of the function of vitamin A in the human organism. During the past five years my associates and I have published certain studies on plasma vitamin A.1 I wish to present here some of these results, together with other reports from the literature which, I believe, are of interest to the pediatrician. VITAMIN A IN THE HUMAN BODY The more our studies progressed the more it became evident that the plasma vitamin A is largely independent of the dietary intake of vitamin A or its precursor carotene. In several nutritional surveys, it was reported that the values for plasma vitamin A for well nourished persons are on a higher level than those for poorly nourished ones.2 We observed that the plasma vitamin A values of persons fromKeywords
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