Excerpt from Experimental Researches Into a New Excretory Function of the Liver: Consisting in the Removal of Cholesterine From the Blood, and Its Discharge From the Body in the Form of Stercorine; (The Seroline of Boudet)
These three analyses were all carried on at the same time, and each spe cimen subjected to precisely the same process. The results show a wide range within the limits Of health. The difference was not due to any vari ation relating to the digestive process, as the specimens were all drawn at the same time, and were taken from prisoners on Blackwell's Island, who were subjected to the same diet, and ate at the same time. It will be seen by this table that I have Obtained from five to eight times as much as is indicated by Becquerel and Rodier. I can only explain this by the fact that I Operated on the whole blood, while they only analyzed the serum. Boudet states that it is necessary to make three to four Copious bleedings, and mix the serum in order to obtain a sufficient quantity for a satisfactory analysis. I have operated on about fifty grains of blood with success, and have no doubt but that I would be able to extract the cholesterine in a crystalline form, and estimate its quantity in fifteen and twenty grains. The purity Of the extract can easily be demonstrated by a microscopic examination. I conclude, then, that a much larger quantity Of cholesterine exists normally in the blood than has been supposed, and that its variations, in different persons, within the limits Of health, are consideiable.
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