Abstract
Summary
Neither of the 2 isomers of nicotinic acid was able to replace nicotinic acid itself in the nutrition of S. aureus. when tested in concentrations up to 20 gamma per 10 cc of medium. Reduction in the activity of nicotinic amide was brought about by introduction of an ethyl group. Complete loss of activity was evident by introduction of 2 ethyl groups into nicotinic amide. Pyridine 2-3:dicarboxylic acid was inactive as a factor in the growth of S. aureus.
Get full access to this article
View all access options for this article.