Cultivation ofCandida lipolytica 4-1 on hydrocarbons |
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Authors: | O Volfová K Pecka |
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Institution: | (1) Department of Technical Microbiology, Institute of Microbiology, Czechoslovak Academy of Sciences, Prague 4;(2) College of Chemical Technology, Prague 6 |
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Abstract: | The length of the carbon chain of the hydrocarbon substrate affects markedly the fatty acid composition in the cell lipids
of the yeastCandida lipolytica 4-1. During cell growth onn-hexadecane dissolved in deparaffinated gas oil, direct incorporation of palmitic acid into lipids takes place. During growth
onn-dodecane, on the other hand, an immediate synthesis and incorporation into oleic acid is observed. The cells contain only
little lauric acid (maximum 11%). During fermentation of then-alkanes dissolved in deparaffinated gas oil which contains a mixture of isoalkanes, alkylated aromatic and cyclic hydrocarbons,
free fatty acids accumulate in the oil phase. The fatty acid composition in the oil differs markedly according to the growth
stage of cells. At the beginning of the logarithmic phase of growth, the fatty acid composition in the oil phase reflects
the acid composition in the cell lipids, toward the end of cell growth, the cooxidation products of the isoalkanes accumulate.
The aqueous phase contains lower fatty acids and cooxidation products of isoalkanes and of alkylated aromatic and alicyclic
hydrocarbons.
Part III. Oxidation and Utilization of Individual Pure Hydrocarbons—seeFolia Microbiol.
14,334 (1969). |
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