Biotechnology Letters

, Volume 32, Issue 10, pp 1509–1514 | Cite as

Sophorolipid production by Candida bombicola on oils with a special fatty acid composition and their consequences on cell viability

  • I. N. A. Van Bogaert
  • S. Roelants
  • D. Develter
  • W. Soetaert
Original Research Paper


Sophorolipids production by the yeast Candia bombicola is most favourable when glucose is used as a carbon source in combination with a hydrophobic carbon source such as a common vegetable oil. Most vegetable oils are comprised of C16–C18 fatty acids, an ideal range for sophorolipid production. The use of oils with either shorter or longer fatty acids, such has coconut oil or meadowfoam oil, respectively, was evaluated. Such oils did not contribute to enhanced sophorolipid production when compared to cultures run on glucose as the sole carbon source. Moreover, a toxic effect of medium-chain fatty acids towards stationary C. bombicola cells was demonstrated.


Candida bombicola Coconut oil Meadowfoam oil Medium-chain fatty acids Toxicity of free fatty acids Sophorolipids 



The authors wish to thank Ecover Belgium NV and the Bijzonder Onderzoekfonds of Ghent University for financial support (grants A05/003 and 01D18604).


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • I. N. A. Van Bogaert
    • 1
  • S. Roelants
    • 1
  • D. Develter
    • 2
  • W. Soetaert
    • 1
  1. 1.Laboratory of Industrial Microbiology and Biocatalysis, Department of Biochemical and Microbial Technology, Faculty of Bioscience EngineeringGhent UniversityGhentBelgium
  2. 2.Ecover Belgium NVMalleBelgium

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