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Table 5 Cell hydrophobicity, surface tension, and interfacial tension values obtained after cultivation of bacteria and yeast species in their respective medium for biosurfactant production

From: Yeasts and bacterial biosurfactants as demulsifiers for petroleum derivative in seawater emulsions

Microorganisms

Cellular hydrophobicity (%)

Surface tension

(mN/m)

Interfacial tension

(mN/m)

C. sphaerica

64.2 ± 0.5

25.0 ± 0.7

12.4 ± 0.2

C. lipolytica (a)

79.1 ± 0.6

25.0 ± 0.9

12.6 ± 0.5

C. lipolytica (b)

85.5 ± 0.6

27.7 ± 0.5

13.4 ± 0.6

C. guilliermondii

50.5 ± 0.3

31.0 ± 0.6

15.3 ± 0.8

P. cepacia

80.3 ± 0.7

25.5 ± 0.9

13.7 ± 0.5

Bacillus sp.

73.2 ± 0.5

29.0 ± 0.7

14.5 ± 0.3

P. aeruginosa

82.3 ± 0.4

26.0 ± 1.0

12.8 ± 0.4

  1. Results are expressed as mean ± pure error