Table 4.

Hydrophobicity of bacteria cell surface and diesel oil biodegradation by two bacterial consortia: B1 (P. fluorescens P1, P. putida K1, and Pseudomonas spp.) and B2 (P. fluorescens P1, P. putida K1, Pseudomonas spp., and Bacillus spp.)

System	Biodegradation (%)	Hydrophobicity (%)
	Consortium B1 (P. fluorescens P1, P. putida K1, and Pseudomonas spp.)
Diesel oil	31.8 ± 1.8	46.2 ± 1.4
Diesel oil + rhamnolipides	45.7 ± 1.0	37.3 ± 1.9
Diesel oil + saponins	78.3 ± 2.3	26.8 ± 1.1
Diesel oil + Triton X-100	46.2 ± 1.4	39.8 ± 2.8
	Biodegradation (%)	Hydrophobicity (%)
	Consortium B2 (P. fluorescens P1, P. putida K1, Pseudomonas spp., and Bacillus spp.)
Diesel oil	56.8 ± 0.9	88.9 ± 2.6
Diesel oil + rhamnolipides	94.4 ± 2.5	21.7 ± 3.5
Diesel oil + saponins	89.6 ± 1.8	39.5 ± 2.1
Diesel oil + Triton X-100	56.2 ± 1.8	77.2 ± 1.9

Time of biodegradation, 7 days; concentration of surfactants, 150 mg/l