FERMENTATION METHODS FOR PRODUCING STEVIOL GLYCOSIDES WITH MULTI-PHASE FEEDING

Disclosed are methods for producing steviol glycosides, such as rebaudioside D and rebaudioside M, using engineered yeast. The methods include at least two phases: first and second phases where a glucose-containing feed composition is provided to the medium in different modes of feeding in each phas...

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Bibliographische Detailangaben
Hauptverfasser:	CARLSON, Ting Liu, FOSMER, Arlene M, ANDERSON, James C
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Disclosed are methods for producing steviol glycosides, such as rebaudioside D and rebaudioside M, using engineered yeast. The methods include at least two phases: first and second phases where a glucose-containing feed composition is provided to the medium in different modes of feeding in each phase, such as variable feeding and then constant feeding. The two phase feeding can result in a growth rate that is slower in the second phase than in the first phase, and consequently increased steviol glycoside production rates, reduced fermentation times, and reduced biomass concentrations.