Abstract
WE administered labelled (radioactive) sodium phosphate to a hen by subcutaneous injection and, after the lapse of 28 hours, removed 34 yolks from the ovary having an aggregate weight of 30·6 gm. The lecithin of each yolk was then extracted and the phosphorus content and radioactivity determined. The blood plasma, blood corpuscles and the liver were treated in a similar way. The results obtained are seen from the accompanying table, in which for sake of simplicity the specific activity (activity per mgm. P) of the blood plasma phosphatide phosphorus was taken to be 1.
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References
Skandin, Arch. Physiol., 77, 148 (1937). The work of Artom and his colleagues (NATURE, 139, 836 (1937); Arch. internal. Physiol., 49, 32, 37) is also based on the assumption that phosphatide P does not exchange.
Comp. Gerhartz, H., Arch. gesamt. Physiol., 156, 215 (1914).
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HAHN, L., HEVESY, G. Origin of Yolk Lecithin. Nature 140, 1059–1060 (1937). https://doi.org/10.1038/1401059a0
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DOI: https://doi.org/10.1038/1401059a0
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