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Production of biosurfactants byCladosporium resinae

✍ Scribed by Joaquín M. Muriel; José M. Bruque; José Manuel Olías; Alfonso Jiménez-Sánchez

Publisher
Springer Netherlands
Year
1996
Tongue
English
Weight
346 KB
Volume
18
Category
Article
ISSN
0141-5492

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✦ Synopsis

Cladosporium resinae produces extracellular biosurfactants when growing in a hydrocarbon source such as the jet fuel Jp8. This production of biosurfactants was observed by the reduction of the surface tension of the aqueous phase of growing medium, and by the increase in emulsion and foaming properties. A partial purification by collapsed foam gave better physical properties by decreasing surface tension and increasing foaming power and stabilization of emulsions. Surface active substances were purified by reversed phase chromatography. Six compounds representing over 75% of fraction containing surface activity were present. This fraction gave an improvement of all surface properties.

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