Abstract
Summary
The degree of fasting ketosis was influenced by the nature of the preceding protein intake. The ketosis bore an inverse relation to the protein catabolism during fasting, being higher after gelatin than after blood albumen feeding. Casein and edestin produced an intermediate fasting level of nitrogen excretion and ketosis.
Various natural fats fed prior to fasting were without influence upon the degree of fasting ketosis except as the protein catabolism varied. The usual inverse relation between the ketosis levels and the amount of nitrogen excreted was evident.
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