Extracellular azoreductase enzyme activity has been tested from Aeromonas jandaei bacteria. Extract of azoreductase enzyme from A. jandaei bacteria was obtained by centrifugation of liquid culture on NB media which was incubated for 2x24 hours at 37C in an incubator shaker. The results of enzyme fractionation with the highest specific activity were used to determine the optimum conditions fo…