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Table 1 Screening of the isolated bacteria for biosurfactant production

From: Bacterial biosurfactant from Citrobacter freundii MG812314.1 as a bioremoval tool of heavy metals from wastewater

Assays

SDS

Bacterial isolates

MSE

BS3

BS9

BS12

BS17

BS33

BS34

BS37

BS42

BS43

BS55

Oil spreading (mm)

25ab

20bc

21bc

11ef

12ef

17cde

18cd

30a

9.0f

11ef

7.0f

1.81

EI %

69.1b

70.0b

62.1c

59.1cd

32.1f

41.8e

41.8e

89.0a

33.5f

55.6d

31.4f

1.0

ES %

71.4bc

71.4bc

70.9bc

60.9e

71.0bc

59.8e

69.4c

90.9a

65.7d

64.7d

73.2b

1.0

  1. Mean having similar letters in each column are not significantly different (P < 0.05)
  2. EI emulsification index, ES emulsification stability