Citric acid production from raw glycerol by acetate mutants of Yarrowia lipolytica |
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Authors: | W Rymowicz A Rywińska B ?arowska P Juszczyk |
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Institution: | (1) Department of Biotechnology and Food Microbiology, Faculty of Food Science, Agricultural University of Wroclaw, PL-50-375 Wroclaw, Poland |
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Abstract: | Three acetate mutants of the yeast species Yarrowia lipolytica were screened using batch cultivation. The strain Y. lipolytica 1.31 was found to be the most suitable for citric acid production from raw glycerol, a by-product of biodiesel production
from rapeseed oil. At the initial concentration of glycerol of 200 g dm−3, the citric acid production of 124.5 g dm−3, yield of 0.62 g g−1, and productivity of 0.88 g dm−3 h−1 were achieved.
Presented at the 33rd International Conference of the Slovak Society of Chemical Engineering, Tatranské Matliare, 22–26 May
2006. |
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Keywords: | citric acid cultivation glycerol Yarrowia lipolytica |
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