Table 1 Emulsification index of cell-free supernatants from Pseudomonas sp. strain AHE16 and Pseudomonas aeruginosa strain ZF2MGHSO grown in MSM supplemented with used vegetable oil as a sole carbon source. Data are means ± SD of (n = 3).

From: Rhamnolipid from Pseudomonas sp. as a green surfactant for enhanced phytoremediation

Hydrocarbons

Emulsification index E24 (%)

AHE16

ZF2MGHSO

Diesel oil

3.33 ± 0.32

2.5 ± 0.51

Engine oil

55.23 ± 1.75

52 ± 2.85

Xylene

5.47 ± 0.62

7.7 ± 0.92

Benzene

77.25 ± 2.5

80 ± 2.34