Acetone Butanol Fermentation

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Acetone Butanol Fermentation

	Acetone Butanol Fermentations -The acetone butanol fermentation is one of the oldest fermentation known. The fermentation is based on culturing various strains of Clostridia in carbohydrate rich media under anaerobic conditions to yield butanol and acetone. Clostridium acetobutylicum is the organism of choice in the production of these organic solvents. These fermentations were out of favour till very recently because of the availability of acetone and butanol from the petroleum industry.
Today there is considerable amount of interest in these fermentations. However, the concentration of end products in these fermentations is quite small and the fermentations are a type of mixed fermentation yielding a mixture of compounds such as butyric acid, butanol, acetone etc. Attempts to increase yeilds by use of genetidally altered strains or change in fermentation conditions have been partially successful
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