VITAMIN A IN EYE TISSUES
Open Access
- 20 July 1935
- journal article
- Published by Rockefeller University Press in The Journal of general physiology
- Vol. 18 (6) , 905-915
- https://doi.org/10.1085/jgp.18.6.905
Abstract
1. Vitamin A has been found in the retinas and the combined pigment epithelia and choroid layers of frogs, pigs, sheep, and cattle. The vitamin was identified by (a) its specific absorption at 328 mµ; (b) the blue color yielded with antimony trichloride, associated with an absorption band at about 620 mµ; (c) anti-xerophthalmic and growth-promoting activity; and (d) quantitative relationships among the results of these three types of observation.Keywords
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