Isolation and Characterization of Biosurfactant-Producing Bacteria from Amapaense Amazon Soils

Table 3

Drop collapse, oil dispersion, and emulsification (with and without cells) results for microorganisms selected in the first screening.

Codes of the isolated microorganisms	Drop collapse	Oil dispersion	First screening			Second screening
			Emulsification index (%) (with cells)			Emulsification index (%) (cell-free)
			24 h	48 h	72 h	24 h	48 h	72 h
FGU02	+	+	62.2	11.4	6.7	4.4	4.4	4.4
FGU12	+	+	64.4	53.5	51.2	15.9	6.8	6.7
FGU14	+++	++	58.1	55.8	55.8	50.0	50.0	47.7
FGU82	++	++	63.6	59.1	56.8	55.6	53.3	53.3
FGU83	+	+	51.1	51.2	48.8	15.6	15.6	15.6
FGU86	+	+	51.2	45.5	45.5	47.7	45.5	45.5
FGU92	+	+	52.3	17.8	11.4	48.9	48.9	48.9
FGU94	+	+	50.0	40.9	38.6	28.9	26.7	26.7
FGU100	+	+	53.3	44.4	44.4	53.3	53.3	53.3
FGU101	+++	+++	52.3	45.5	45.5	60.9	60.9	60.9
FGU104	+	+	50.0	46.7	46.7	48.9	48.9	48.9
FGU107	+	+	65.1	50.0	51.2	45.7	32.6	32.6
FGU109	+	+	68.2	66.7	65.9	28.9	28.9	22.2
FGU113	+	+	50.0	37.8	26.7	35.6	35.6	22.2
FGU121	+	+	50.0	48.9	48.9	51.1	51.1	51.1
FGU125	+	+	52.3	50.0	50.0	33.3	33.3	31.1
FGU132	+	+	63.6	50.0	50.0	6.7	6.7	6.7
FGF05	+	+	51.1	46.7	46.7	44.4	42.2	42.2
FGF07	+	+	52.3	52.3	50.0	50.0	2.0	2.0
FGF09	+	++	55.6	51.1	51.1	37.0	32.6	32.6
FGF12	+	+	53.3	51.1	51.1	50.0	4.3	2.2
FGF13	+++	++	50.0	36.4	31.8	15.6	15.6	13.3
FGF15	++	++	58.7	56.5	50.0	60.0	60.0	60.0
FGF17	+	+	56.5	47.8	45.7	54.3	54.3	54.3
FGF19	+	+	60.9	58.7	58.7	58.7	56.5	56.5
FGF20	+	+	50.0	50.0	50.0	55.6	55.6	55.6
FGF24	+	+	56.8	56.8	54.5	46.7	46.7	44.4
FGF25	+	+	62.2	51.1	60.0	44.4	42.2	42.2
FGF26	+	+	56.5	52.2	50.0	17.8	6.7	6.7
FGF30	+	+	55.6	53.3	53.3	23.3	16.3	14.0
PGU05	++	++	58.7	52.2	52.2	28.9	28.9	22.2
PGU12	++	++	62.8	16.3	2.3	57.8	57.8	55.6
PGU25	+	+	56.5	54.3	54.3	20.0	13.3	11.1
PGF03	+	++	54.3	52.2	52.2	9.3	9.3	7.0
PGF04	+	+	60.0	57.8	55.6	6.7	6.7	6.7
PGF05	++	+	57.8	57.8	55.6	8.9	8.9	6.7
PGF34	++	++	51.2	51.2	46.5	40.9	40.9	40.9
PGF35	++	+	54.3	52.2	52.2	31.8	29.5	29.5
PGF46	+	+	52.3	52.3	52.3	13.3	13.3	13.3
MZU14	+	+	52.3	52.3	52.3	4.4	4.4	2.2
MZU32	+++	++	63.0	63.0	63.0	40.0	40.0	37.8
MZF01	+	+	23.9	23.9	19.6	0	0	0
MZF02	++	+	21.3	12.8	12.8	44.4	44.4	44.4