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Department of Biochemistry, College of Agriculture, University of Wisconsin, Madison
Riboflavin plays an important role in the economy of food utilization both for growth and for maintenance.
Moderate inanition occurs in riboflavin deficiency but is not responsible for the death of the deficient rat since a relatively high level of food consumption is maintained throughout the entire period of avitaminosis. The food intake often increases during the last few days preceding death.
We are indebted to Merck and Company, Rahway, New Jersey, for the synthetic vitamins; to Abbott Laboratories, North Chicago, Illinois, for haliver oil; and to Wilson Laboratories, Chicago, Illinois, for liver extracts.
Manuscript received 10 April 1944.