Summary
A simple fed-batch system which controls substrate feeding by measuring the CO2 produced during the fermentation, was developped. This Fed-batch approach allowed high production of 1,3-propanediol from glycerol by Clostridium butyricum by avoiding substrate inhibition phenomena. 65 g/l of 1,3-propanediol was produced with a productivity of 1.21 g/l.h and a yield of 0.56. The concentration of 1,3-propanediol obtained and the productivity were significantly higher than those reached in batch culture.
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Saint-Amans, S., Perlot, P., Goma, G. et al. High production of 1,3-propanediol from glycerol by Clostridium butyricum VPI 3266 in a simply controlled fed-batch system. Biotechnol Lett 16, 831–836 (1994). https://doi.org/10.1007/BF00133962
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DOI: https://doi.org/10.1007/BF00133962