Fatty Acid Biosurfactant

Certain hydrocarbon degrading microbes produce extracellular free fatty acids when grown on alkanes and exhibit good surfactant activity. The fatty acid biosurfactants are saturated fatty acids in the range of C12 to C14 and complex fatty acids containing hydroxyl groups and alkyl branches.44,45 It was shown that Arthobacter strain AK-1946 and P. aeruginosa 44T147 accumulated up to 40-80%

(w/w) of such lipids when cultivated on hexadecane and olive oil respectively.

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