Time (h)

Bacterial growth in                  Pseudomonas broth

Bacterial growth in 40X                 BHC+ salts

Bacterial growth in                          salts alone

O.D550*

 

O.D550* O.D550*

 

0

 

 

0.03±0.002

 

0.03±0.003

 

0.03±0.005

 

24

 

 

0.69±0.010

 

0.06±0.005

 

0.02±0.002

 

48

 

 

1.81±0.520

 

0.18±0.048

 

0.02±0.001

 

72

 

 

1.50±0.610

 

0.18±0.042

 

0.02±0.002
*O.D. values are given as the statistical mean of the three independent experiments carried out using experimental tubes in triplicate
Table 7: BHC utilization effi ciency of the test Pseudomonas fl uorescens SM1 strain as a carbon source.