Fremgangsmåde til fremstilling af D-pantothensyre og/eller salte deraf

摘要

A process for the preparation of D-pantothenic acid and/or salts thereof or feedstuffs additives comprising these by fermentation of microorganisms of the Enterobacteriaceae family, in particular those which already produce D-pantothenic acid, in which the nucleotide sequence(s) in the microorganisms which code(s) for the pepB gene is/are enhanced, in particular over-expressed.