Bacterial Cell Fractions Enzyme Activities (U/mL)
  Anaerobic Aerobic
Supernatant (S) 0.0026 ± 0.0004 0.0244 ± 0.002
Resting cell (RC) 0.006 ± 0.0005 0.012 ± 0.0035
Homogenate (H) 0.032 ± 0.0012 0.0023 ± 0.0004
Cell Debris (CD) 0.021 ± 0.0011 0.01 ± 0.0001
Cell Free Extract (CFE) 0.034 ± 0.0015 -0.0061 ± 0.0073
Table 2: Comparison of azoreductase activity from different fractions assayed under aerobic and anaerobic condition respectively.