Differentiation between vitamin A1 and v
โ
Greenberg, Ruven ;Popper, Hans
๐
Article
๐
1941
๐
Wiley (John Wiley & Sons)
๐
English
โ 261 KB
In a previous article (Popper and Greenberg, '41) evidence was obtained that the green fading fluorescence in fixed tissue sections is specific for vitamin A. I n 1937, Lederer and Rosonova and Edisbury, Morton and Simpkins reported a substance with an absorption maximum in the ultraviolet region at