Biotechnology Letters 2005-03-01

Surface properties of Yarrowia lipolytica and their relevance to gamma-decalactone formation from methyl ricinoleate.

Mario Aguedo, Yves Waché, Jean-Marc Belin, José A Teixeira

文献索引：Biotechnol. Lett. 27(6) , 417-22, (2005)

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摘要

The surface of the lipid-degrading yeast, Yarrowia lipolytica, was characterized by contact angle and zeta potential (zeta) 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, gamma-decalactone, the zeta 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.

相关化合物

  • 蓖麻油酸甲酯
  • R-γ-癸内酯

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