Method for the fermentative production of L-cysteine and derivatives of said amino acid

Method for the fermentative production of L-cysteine and derivatives of said amino acid

The invention relates to a method for producing L-cysteine and its derivatives L-cystine and thiazolidine by fermenting a cysteine-producing microorganism strain in a fermentation medium. The invention is characterized in that L-methionine, L-isoleucine, or L-threonine in respective concentrations r...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LEINFELDER WALFRED, DASSLER TOBIAS, WICH GUENTER
Format: Patent
Sprache:eng
Schlagworte:
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:The invention relates to a method for producing L-cysteine and its derivatives L-cystine and thiazolidine by fermenting a cysteine-producing microorganism strain in a fermentation medium. The invention is characterized in that L-methionine, L-isoleucine, or L-threonine in respective concentrations ranging from 0.1 to 10 g/L are added to the fermentation medium in the main culture.