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Table 3 Residual activity (REA, %) after 18 months of incubation of crude bioemulsifiers produced by the isolates grown on mMSM with 2%v/v soybean oil as main carbon source

From: Marinobacter sp. from marine sediments produce highly stable surface-active agents for combatting marine oil spills

Bacterial isolate

HEXANE

TOLUENE

Standard conditions

Autoclave

4 °C

Standard conditions

300 g/l NaCl

Autoclave

4 °C

Thalassospira sp. G2.30

58.82 ± 2.94

32.16 ± 1.99

85.69 ± 2.18

66.67 ± 3.33

0.00 ± 0.00

75.32 ± 7.27

92.48 ± 7.38

Marinobacter sp. M15.20

63.89 ± 8.48

0.00 ± 0.00

52.86 ± 9.28

97.37 ± 3.72

94.46 ± 4.29

86.81 ± 8.90

93.95 ± 5.58

Marinobacter sp. M18.20

76.35 ± 4.04

86.45 ± 4.83

76.97 ± 0.87

100.00 ± 0.00

66.77 ± 3.10

67.67 ± 8.79

98.33 ± 2.36

Marinobacter sp. M20.20

62.50 ± 3.13

0.00 ± 0.00

92.64 ± 4.63

82.59 ± 8.88

94.43 ± 0.44

58.57 ± 2.41

34.16 ± 6.55

Marinobacter sp. M22.20

67.52 ± 9.06

66.96 ± 3.35

90.16 ± 5.59

100.00 ± 0.00

77.47 ± 9.93

96.94 ± 0.22

94.87 ± 0.19

Marinobacter sp. M24.20

92.80 ± 6.45

86.21 ± 8.28

68.68 ± 3.89

100.00 ± 0.00

90.00 ± 4.50

93.41 ± 4.09

97.50 ± 3.54

Marinobacter sp. M27.20

88.30 ± 9.10

69.64 ± 7.58

63.80 ± 7.83

94.83 ± 0.58

78.95 ± 0.00

85.51 ± 4.78

96.75 ± 1.78

Marinobacter sp. M1.30

93.75 ± 8.84

86.02 ± 9.24

83.73 ± 7.57

87.83 ± 1.18

83.33 ± 4.06

90.00 ± 2.92

93.74 ± 6.03

Marinobacter sp. M10.30

NA

NA

92.86 ± 6.64

94.83 ± 0.58

65.61 ± 0.60

NA

69.03 ± 2.60

Marinobacter sp. M13.30

100.00 ± 0.00

52.00 ± 6.99

87.44 ± 6.22

87.30 ± 6.42

94.99 ± 0.05

82.79 ± 7.05

94.33 ± 1.19

Marinobacter sp. M17.30

87.62 ± 5.04

81.62 ± 9.36

89.67 ± 1.10

97.37 ± 3.72

83.77 ± 2.01

90.38 ± 5.75

90.38 ± 5.75

Marinobacter sp. M24.30

94.27 ± 2.26

40.89 ± 0.89

97.51 ± 3.52

0.00 ± 0.00

86.10 ± 0.55

88.56 ± 6.08

92.44 ± 7.44

Marinobacter sp. M25.30

0.00 ± 0.00

35.06 ± 2.61

85.29 ± 4.16

94.14 ± 5.85

35.94 ± 7.84

32.41 ± 6.55

92.11 ± 3.72

Marinobacter sp. M26.30

65.59 ± 1.52

0.00 ± 0.00

99.34 ± 0.94

92.65 ± 5.69

43.89 ± 6.20

67.29 ± 3.70

92.74 ± 6.87

Marinobacter sp. M27.30

95.37 ± 5.57

27.08 ± 7.75

97.37 ± 3.72

100.00 ± 0.00

87.87 ± 0.52

90.48 ± 2.24

87.76 ± 6.79

Marinobacter sp. P7.30

96.84 ± 1.38

90.99 ± 9.92

99.08 ± 1.30

93.99 ± 8.42

89.28 ± 1.48

95.16 ± 4.03

98.59 ± 0.98