Succinic acid production by a newly isolated bacterium
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A new bacterial strain producing succinic acid was enriched from bovine rumen content. It is facultatively anaerobic, belongs to the family Pasteurellaceae and has similarity to the genus Mannheimia. In batch cultivations with D-glucose or sucrose the strain produced up to 5.8 g succinic acid l−1 with a productivity and a yield of up to 1.5 g l−1 h−1 and 0.6 g g−1, respectively. With crude glycerol up to 8.4 g l−1, 0.9 g l−1 h−1 and 1.2 g g−1 were obtained.
KeywordsCrude glycerol Fermentation Glycerol Mannheimia sp. Pasteurellaceae Succinic acid Sugars
We thank Dr. Herbert Steingass, Institute for Animal Nutrition, University of Hohenheim, Stuttgart, making available fresh rumen content to us and Prof. Dr. Bernhard Schink, Department of Biology, University of Konstanz, for his advice on the enrichment conditions.
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