Porphyrins in egg shells.

T.l.c. of esterified egg-shell porphyrin shows a mixture containing protoporphyrin with admixture of significant amounts of coproporphyrin, pentacarboxylic porphyrin and uroporphyrin and other, unidentified, porphyrins. This points to porphyrin biosynthesis taking place in the oviduct epithelium.

Keywords

Porphyrins, Ultraviolet Rays, Epithelial Cells, Oviducts, Epithelium, Fluorescence, Egg Shell, Animals, Female, Chromatography, Thin Layer, Chickens

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