Isolate Time (h) Growth expressed in term of O.D550*
    In the absence of toxicants In the presence of 4X toxicants
SM1 0 0.147 ± 0.01 0.127 ± 0.02
24 0.788 ± 0.03 0.438 ± 0.03
48 1.852 ± 0.30 1.807 ± 0.29
SM6 0 0.200 ± 0.02 0.200 ± 0.03
24 1.256 ± 0.39 0.637 ± 0.01
48 1.682 ± 0.42 1.447 ± 0.50
Optical density (O.D.) values are given as the statistical mean of the three independent experiments carried out using triplicate tubes
Table 3: Growth characteristics of the two best isolates in the presence and absence of test toxicants.