METHOD OF PRODUCING LACTIC ACID BY CONTINUOUS FERMENTATION

METHOD OF PRODUCING LACTIC ACID BY CONTINUOUS FERMENTATION

A method of producing lactic acid by continuous fermentation includes filtering a culture of polyploidy prototrophic yeast having a capacity to produce lactic acid by introduction of a lactate dehydrogenase gene through a porous membrane having an average pore size of not less than 0.01 mum and less...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SASAKI NANAMI, MIMITSUKA TAKASHI, SAWAI HIDEKI, YAMADA KATSUSHIGE, MORITA KEN
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
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:A method of producing lactic acid by continuous fermentation includes filtering a culture of polyploidy prototrophic yeast having a capacity to produce lactic acid by introduction of a lactate dehydrogenase gene through a porous membrane having an average pore size of not less than 0.01 mum and less than 1 mum; and recovering the lactic acid from filtrate while the unfiltered liquid is retained in or returned to the culture and a fermentation feedstock is added to the culture.