Bilirubin Metabolism in Man
- 5 October 1972
- journal article
- Published by Massachusetts Medical Society in New England Journal of Medicine
- Vol. 287 (14) , 703-709
- https://doi.org/10.1056/nejm197210052871407
Abstract
Bilirubin: Chemical PropertiesIN 1936, on the occasion of being awarded an honorary doctorate by Harvard University, Hans Fischer was described "as the man who taught us what makes grass green and blood red." The citation might have added "what makes bile yellow," for by 1936, Fischer and his pupils had succeeded in demonstrating that the heme of hemoglobin, the chlorophyll of plants, and the yellow bile pigment, bilirubin, have similar molecular structures. This structural similarity permitted the conclusion that the linear tetrapyrrole bilirubin is formed by cleavage of the cyclic tetrapyrrole protoporphyrin (Fig. 1); the latter compound, in the . . .Keywords
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