a test of the ability of mycobacteria to elaborate niacin; used to distinguish Mycobacterium tuberculosis from other strains.
Farlex Partner Medical Dictionary © Farlex 2012
niacin testA test for speciating mycobacteria based on differences in niacin (nicotinic acid) production, which plays a key role in the oxidation-reduction reaction in Mycobacterium species’ metabolism.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.