JPH0331439B

JPH0331439B

PURPOSE:To produce the titled substance useful as an industrial raw material, in improved cultivation productivity, at a lowered production cost, economically in an industrial scale, by carrying out the first-stage cultivation mainly for the production of only the microbial cells, and the second-sta...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HISAYOSHI KEISUKE, GOTO MASASHI
Format: Patent
Sprache:eng
Schlagworte:
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
PROCESSES USING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:PURPOSE:To produce the titled substance useful as an industrial raw material, in improved cultivation productivity, at a lowered production cost, economically in an industrial scale, by carrying out the first-stage cultivation mainly for the production of only the microbial cells, and the second-stage cultivation mainly for the produciton of xanthan gum. CONSTITUTION:The objective xanthan gum is produced by carrying out (A) the first-stage cultivation mainly for the production of microbial cells of a xanthan gum-producing strain (Xanthomonas campestris) in a medium containing carbon source, nitrogen source, trace heavy metals, =100ppm magnesium ion.