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TitleSurface properties of Yarrowia lipolytica and their relevance to γ-decalactone formation from methyl ricinoleate
Author(s)Aguedo, Mário
Waché, Yves
Belin, Jean-Marc
Teixeira, J. A.
Contact angles
Surface properties
Yarrowia lipolytica
Zeta potential
Issue dateMar-2005
PublisherSpringer Science+Business Media
JournalBiotechnology letters
Citation"Biotechnology letters". ISSN 0141-5492. 27:6 (2005) 417–422.
Abstract(s)The surface of the lipid-degrading yeast, Yarrowia lipolytica, was characterized by contact angle and zeta potential (ζ) measurements. The cells were mainly hydrophilic with a negative charge that was only affected from pH 2 to 4. To study the effects of the surface charges on the biotransformation of methyl ricinoleate into the aroma compound, γ-decalactone, the ζ values of the substrate droplets were modified by adding a cationic surfactant into the medium at concentrations that did not diminish cell viability: the adhesion of the lipid substrate to the cells was increased but not the overall performance of the process, therefore the adhesion is not the rate limiting here. Our methodology offers interesting perspectives for further applications.
Publisher version
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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