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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