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

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

Results are expressed as mean ± pure error