Exploiting the aerobic endospore-forming bacterial diversity in saline and hypersaline environments for biosurfactant production

Table 5 Emulsion indices (%) of one representative strain of each BOX group using kerosene and different amounts of NaCl

	Emulsion index (%)			Emulsion index (%)			Emulsion index (%)			Emulsion index (%)
	kerosene – NaCl 5 %			kerosene – NaCl 10 %			kerosene – NaCl 15 %			kerosene – NaCl 20 %
Strains	1 day	15 days	30 days	1 day	15 days	30 days	1 day	15 days	30 days	1 day	15 days	30 days
AB 2.0	53 ± 4.6	22 ± 1.7	10 ± 2.1	49 ± 1.7	12 ± 3.5	10 ± 6.4	-	-	-	-	-	-
SA1 16	-	-	-	-	-	-	-	-	-	-	-	-
MA 3.1	56 ± 6.4	26 ± 3.5	-	-	-	-	-	-	-	-	-	-
VM 81	-	-	-	-	-	-	-	-	-	-	-	-
SA 2 1	-	-	-	-	-	-	-	-	-	-	-	-
DR 4.0	-	-	-	-	-	-	-	-	-	-	-	-
DR 2.0	51 ± 7.6	44 ± 6.4	36 ± 6.2	53 ± 6.4	49 ± 8.1	47 ± 6.4	57 ± 0	54 ± 0	47 ± 1.4	52 ± 3.5	48 ± 7.4	44 ± 8.7
MA 2.0	-	-	-	-	-	-	-	-	-	-	-	-
VM 8.0	51 ± 8.5	41 ± 3.5	33 ± 3.5	51 ± 3	46 ± 0	32 ± 8.1	57 ± 0	48 ± 0	34 ± 0	39 ± 9.6	-	-
VM 40	55 ± 3.5	40 ± 5.2	-	51 ± 4.2	39 ± 2.1	-	59 ± 2.9	51 ± 5.5	-	63 ± 2.5	48 ± 8.1	-
MA 15.1	-	-	-	-	-	-	-	-	-	-	-	-
VM 50	-	-	-	-	-	-	-	-	-	-	-	-
LS 13	-	-	-	-	-	-	-	-	-	-	-	-
VM 3.1	-	-	-	-	-	-	-	-	-	-	-	-
VM 6.0	45 ± 7.4	41 ± 3.5	-	48 ± 0	43 ± 0	-	47 ± 4	45 ± 1.7	-	48 ± 2.5	43 ± 0	-
VM 6.1	-	-	-	-	-	-	-	-	-	-	-	-
VM 20	52 ± 4.6	37 ± 7.9	-	44 ± 9.1	40 ± 10.4	-	43 ± 8.1	37 ± 12.5	-	-	-	-
VM 80	-	-	-	-	-	-	-	-	-	-	-	-

ISSN: 1471-2180