Degradation of Asphaltenic Fraction by Locally Isolated Halotolerant Bacterial Strains

Table 4

Growth and degradation efficiencies of different bacterial isolates on Asph fraction.

	Parameters
	7 d		14 d		21 d
	%BD	Cells/mL	%BD	Cells/mL	%BD	Cells/mL
Negative control	0.15	Nil	0.4	Nil	0.5	Nil
Asph1	50.98	9×10^7	82.2	2.5×10^9	82.97	1×10^9
Asph2	82.97	5×10^8	89.3	9.5×10^11	95.6	3.1×10^13
Asph3	18.54	8×10^7	68.3	9×10^8	87.94	4×10^9