Continuous fermentation process which is useful for the simultaneous optimal production of propionic acid and vitamin B12
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United States of America Patent
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Apr 12, 2005
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app pub date -
Feb 20, 1996
filing date -
Feb 22, 1994
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Expired
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Abstract
The present invention relates to a fermentation process which is useful for the simultaneous production of propionic acid and vitamin B.sub.12, characterized in that it employs the culturing, on a suitable culture medium, of at least one microorganism suitable for the production of vitamin B.sub.12 and propionic acid, and in that the corresponding fermentation is carried out in continuous fashion and involves at least two successive stages, a first stage associated with the optimal production of propionic acid, and a second with the optimal production of vitamin B.sub.12.
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