Displacement area (cm2)

Diameter of clear zone (cm)

Bacterial isolates

32.15
12.56
67.89

6.4
4.0
9.3

BDCC-TUSA-1
BDCC-TUSA-2
BDCC-TUSA-3

Table 2: Displacement area of oil by cell-free supernatant of the three bacterial isolates.