INDUSTRIALLY USEFUL STRAINS OF YEAST

The invention relates to a method for the preparation of industrially useful strains of yeast Saccharomyces cerevisiae and the strain prepared by said method. In particular the invention relates to the creation of double mutant strains of said yeast that shows high ethanol conversion efficiency and...

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Bibliographische Detailangaben
Hauptverfasser:	JAIN, Rishi, BILAIYA, Megha Shaligram, DESHPANDE, Ghansham Baburao, SINGH, Rajesh Kumar, MISTRY, Sanjay Ratilal, KUMBHAR, Pramod Shankar, JAGTAP, Rutuja Shivaji, MAHAJAN, Dheeraj Madhukar
Format:	Patent
Sprache:	eng ; fre
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 PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a method for the preparation of industrially useful strains of yeast Saccharomyces cerevisiae and the strain prepared by said method. In particular the invention relates to the creation of double mutant strains of said yeast that shows high ethanol conversion efficiency and substantially reduced acetic acid and glycerol production during fermentative production of ethanol from a sugar-based feedstock. L'invention concerne un procédé de préparation de souches industriellement utiles de levure Saccharomyces cerevisiae et la souche préparée par ledit procédé. L'invention concerne en particulier la création de souches mutantes doubles de ladite levure qui présente un rendement élevé de conversion d'éthanol et une production d'acide acétique et de glycérol sensiblement réduite lors de la production par fermentation de l'éthanol à partir d'une charge d'alimentation à base de sucre.