Table 3 Loss of hydrocarbons from an artificial mixture (C7-C19) in presence of P. aeruginosa ATCC 55925 without and with biosurfactant at different times
H.C.a | Demonstrable degradation of hydrocarbon without bio biosurfactantb (%) | Demonstrable degradation of hydrocarbon with biosurfactantb (%) | ||
|---|---|---|---|---|
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 | 0 ± 0 | 52 ± 7 | 0 ± 0 | 84 ± 4 |
C13 | 7 ± 1 | 42 ± 8 | 26 ± 3 | 93 ± 4 |
C14 | 17 ± 2 | 65 ± 4 | 60 ± 4 | 98 ± 9 |
C15 | 13 ± 2 | 67 ± 2 | 87 ± 3 | 96 ± 2 |
C16 | 17 ± 3 | 74 ± 6 | 95 ± 8 | 96 ± 4 |
C17 | 21 ± 3 | 74 ± 9 | 88 ± 7 | 93 ± 5 |
C19c | 0 ± 0 | 49 ± 2 | 81 ± 8 | 88 ± 3 |