Abstract
IN a recent communication, Hartman and Benz1 reported on the carbohydrate content of gonadotropic hormone preparations from pregnancy urine and pituitary gland. A similar result was previously reported by Karl Meyer2, who investigated a product obtained from Prolan by reaction with iodine. The product obtained contained 11.07 per cent total nitrogen, 16.4 per cent total reducing sugar of which 7.72 per cent was hexosamine. The acetyl value was 3.16 per cent. If these figures are recalculated on the iodine-free substances, the figures are 11.9, 17.7, 8.3, 3.4 per cent respectively.
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References
NATURE, 142, 115 (1938).
Kurzrok, "Endocrines in Obstetrics and Gynecology", p. 115 (Williams and Wilkins, Baltimore, 1937).
Meyer, Karl, et al., Cold Spring Harbor Symposia on Quantitative Biology, 6 (in the Press).
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FLEISCHER, G., SCHWENK, E. & MEYER, K. Nature of the Gonadotropic Hormone from Pregnant Mare Serum. Nature 142, 835–836 (1938). https://doi.org/10.1038/142835a0
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DOI: https://doi.org/10.1038/142835a0
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