COMBINED USE OF AT LEAST ONE ENDO-PROTEASE AND AT LEAST ONE EXO-PROTEASE IN AN SSF PROCESS FOR IMPROVING ETHANOL YIELD

Improved processes for producing ethanol from starch-containing materials by the combined use of at least one endo-protease and at least one exo-protease in an SSF process are disclosed. More particularly the exo-protease should make up at least 5% (w/w) of the protease mixture. La presente invenció...

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Bibliographische Detailangaben
Hauptverfasser:	Tomoko MATSUI, Lan TANG, Chee- Leong SOONG, Nathaniel E. KREEL, Bernardo VIDAL, JR, Shiro FUKUYAMA, Kenneth JENSEN, Louis P. LESSARD, Wei PENG, Ming LI, Keiichi AYABE, Xinyan GUO
Format:	Patent
Sprache:	eng ; spa
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:	Improved processes for producing ethanol from starch-containing materials by the combined use of at least one endo-protease and at least one exo-protease in an SSF process are disclosed. More particularly the exo-protease should make up at least 5% (w/w) of the protease mixture. La presente invención se refiere a procesos mejorados para producir etanol a partir de materiales que contienen almidón mediante el uso combinado de al menos una endoproteasa y al menos una exoproteasa en un proceso SSF. Más particularmente, la exoproteasa debe constituir al menos un 5% (p/p) de la mezcla de proteasa.