COMBINED USE OF AN ENDO-PROTEASE OF THE M35 FAMILY AND AN EXO-PROTEASE OF THE S53 FAMILY IN THE FERMENTATION OF STARCH

COMBINED USE OF AN ENDO-PROTEASE OF THE M35 FAMILY AND AN EXO-PROTEASE OF THE S53 FAMILY IN THE FERMENTATION OF STARCH

The present invention relates to 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, and wherein the endo-protease is selected from a family M35 endo-protease and the exo-protease...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SOONG, Chee-Leong
Format: Patent
Sprache:eng ; fre ; ger
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:The present invention relates to 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, and wherein the endo-protease is selected from a family M35 endo-protease and the exo-protease is selected from a family S53 exo-protease. More particularly the exo-protease should make up at least 5% (w/w) of the protease mixture.