Niacin production test in mycobacteria: replacement of benzidine-cyanogen bromide reagent by o-tolidine-cyanogen bromideVenkataraman, P. and Prabhakar, R. (1977) Niacin production test in mycobacteria: replacement of benzidine-cyanogen bromide reagent by o-tolidine-cyanogen bromide. Indian Journal of Tuberculosis, 24 (4). pp. 153-154. Full text available as:
AbstractThe benzidine and o-tolidine methods for niacin production were compared on 560 cultures. There was an excellent agreement (99%) between the two methods.
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