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Journal of Nutrition Vol. 69 No. 3 November 1959, pp. 214-216
Copyright © 1959 by American Society for Nutrition
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Riboflavin in the Nutrition of the Chinchilla1

W. L. Leoschke2 and C. A. Elvehjem

Department of Biochemistry, University of Wisconsin, Madison

1. Riboflavin is not a dietary requirement for the chinchilla. A diet containing as little as 0.39 µg of riboflavin per gram produced normal growth in chinchillas. No symptoms of a vitamin deficiency were noted in animals fed the low-riboflavin diet for 5 months.
2. Metabolism studies with chinchillas fed the low riboflavin diet indicated a daily excretion of 27.9 µg corresponding to a daily intake of 6.6 µg of riboflavin per day.

1 Published with the approval of the Director of the Wisconsin Agricultural Experiment Station. These studies were supported in part by a grant from the National Chinchilla Breeders of America, Inc., Salt Lake City, Utah. We wish to acknowledge our indebtedness to Merck Sharp and Dohme Research Laboratories, Rahway, New Jersey, for the crystalline vitamins.

2 Present address: Chemistry Department, Valparaiso University, Valparaiso, Indiana.

Manuscript received 11 April 1959.




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