Table 1.

Degradation of aliphatic, aromatic and NSO fractions of crude oil by P. aeruginosa strains after 30 days of treatment in liquid culture

Bacterial strain	Aliphatic fraction degraded (%)	Aromatic fraction degraded (%)	NSO compounds degraded (%)
Control	12.6 ± 0.8	10.3 ± 0.6	04.7 ± 0.2
P. aeruginosa OBP1	72.8 ± 0.2	25.2 ± 0.6	11.5 ± 0.5
P. aeruginosa OBP2	67.5 ± 0.7	12.3 ± 0.9	07.3 ± 0.1
P. aeruginosa OBP3	71.8 ± 0.3	31.8 ± 0.8	13.5 ± 0.4
P. aeruginosa OBP4	73.0 ± 0.3	30.3 ± 0.3	14.7 ± 0.7

Determination based on crude oil 2.0 ml (1.857 g). Results represented mean ± SD of three individual experiments