Abstract
Summary
Female rats received a diet in which all the known factors of the vitamin B2 complex were supplied except that found in a multiply adsorbed liver filtrate. They failed to show a growth response on the addition of nicotinic acid, yeast nucleic acid, or a combination of the two to their ration. Liver filtrate, on the other hand, produced an immediate and marked stimulus to growth.
Get full access to this article
View all access options for this article.