Table 2 Loss of individual hydrocarbons (C7-C19) in the presence of P. aeruginosa ATCC 55925 without and with biosurfactant at different times
H.C. a | Demonstrable degradation of hydrocarbon without biosurfactantc (%) | Demonstrable degradation of hydrocarbon with biosurfactantc (%) | ||
|---|---|---|---|---|
Day | 5 | 20 | 5 | 20 |
C7 | NDe | ND | ND | ND |
C8 | ND | ND | ND | ND |
C9 | ND | ND | ND | ND |
C10 | ND | ND | ND | ND |
C11 | ND | ND | ND | ND |
C12 | 4±2 | 23±1 | 12±4 | 8±2 |
C13 | 8±2 | 64±2 | 57±4 | 92±2 |
C14 | 11±1 | 70±6 | 81±3 | 100±0 |
C15 | 6±0 | 41±3 | 87±5 | 100±0 |
C16 | 5±0 | 39±3 | 90±4 | 100±0 |
C17 | 7±0 | 51±4 | 89±3 | 100±0 |
C19b | 0± 0 | 0±0 | 65±5 | 100±0 |