Source
Biosurfactant activity
(OD 550 nm)
Esterase activity
(IU ml
-1
)
Growth
(OD 600nm)
Biosurfactant recovery (g/L)
Surface tension (dynes/cm)
Bacillus subtilis
SK320
0.859
4.382
0.514
1.2
40.1
BioS a
1.354
8.293
0.351
2.13
38.4
BioS b
1.259
8.521
0.296
2.20
35
BioS c
1.198
8.465
0.489
2.45
30.7
E. coli DH5α
0.157
0.101
0.132
0.054
11.2
† Results represented as mean of at least three replicate experiments (Sekhon et al, 2011)
Table 4:
Bacillus subtilis
SK320 and its recombinants showing enhanced activities after successful cloning of the biosurfactant genes.
