The Derivation of Factors for Computing the Gaseous Exchange and the Heat Production in the Metabolism of Casein by the Albino Rat
- 1 December 1934
- journal article
- research article
- Published by Elsevier in Journal of Nutrition
- Vol. 8 (6) , 669-674
- https://doi.org/10.1093/jn/8.6.669
Abstract
Balances of nitrogen, carbon and energy were determined with five albino rats receiving casein exclusively in quantities sufficient approximately to meet the energy requirements. Of the total calories of the casein ingested 96.6 per cent were found to be digested, and 80.8 per cent were found to be metabolizable. The following factors were determined for computing the gaseous exchange and the heat production in the metabolism of casein: 1 gram of urinary nitrogen = 6.67 liters of respiratory O2, 5.47 liters of CO2 and 30.59 Calories.Keywords
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