Table 1.

A list summarizing biosurfactant characterization and production of SLs

Parameter	Strain
	S. riodocensis GT-SL1R	S. bombicola BCC5426
Emulsification index (%)
24 h	32.50 ± 4.43*	48.48 ± 0.01
48 h	40.62 ± 1.80	52.58 ± 6.96
72 h	41.27 ± 7.68	55.88 ± 1.74
96 h	54.68 ± 3.12	55.88 ± 2.94
120 h	54.59 ± 3.13	60.22 ± 2.48
Oil displacement (cm)
24 h	0.80 ± 0.12	0.83 ± 0.04
96 h	1.08 ± 0.25	1.10 ± 0.16
SL production (g l−1)
24 h	29.54 ± 5.40*	36.89 ± 8.16
48 h	40.55 ± 3.82*	39.36 ± 4.48
72 h	45.70 ± 2.48*	31.51 ± 4.33
96 h	43.54 ± 3.64*	37.34 ± 2.40
120 h	44.44 ± 6.22*	31.34 ± 1.68
Productivities (gl−1 h−1)
24 h	1.23	1.53
48 h	0.84	0.82
72 h	0.63	0.43
96 h	0.45	0.38
120 h	0.37	0.26
Yield on substrate (%)
24 h	29.54	36.89
48 h	40.55	39.36
72 h	45.70	31.51
96 h	43.54	37.34
120 h	44.44	31.34

*p value of less than 0.05 between S. riodocensis GT-SL1R and S. bombicola BCC5426