THE PROPIONIC-ACID BACTERIA-A REVIEWIII. MISCELLANEOUS METABOLIC ACTIVITIES1

Abstract
This is the third and final section of a review of the propionic-acid bacteria. This section discusses some of their miscellaneous metabolic activities such as: erythritol metabolism, formation of diacetyl-acetoin and vitamin B12, production of volatile compounds not previously mentioned, propionin (an antiviral agent), lipids and phospholipids, and slime formation, Concluding comments provide a brief summary of particular points of interest.