Fermentation media free of animal-derived components for production of diphtheria toxoids suitable for human vaccine use
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United States of America Patent
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May 26, 2015
Grant Date -
May 16, 2013
app pub date -
Nov 9, 2012
filing date -
Nov 11, 2011
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Abstract
The present invention relates to a fermentation medium for cultivating Corynebacterium diphtheriae. The present invention also relates to the use of the fermentation medium in processes for obtaining diphtheria toxin from the Corynebacterium diphtheriae bacteria being cultivated and the preparation of vaccines using the diphtheria toxin obtained in the processes. The present invention further relates to a purification and detoxification processes specifically adapted for preparing a diphtheria toxoid for inclusion into a vaccine.
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