Heterologous expression of an aspergillus kawachi acid-stable alpha amylase and applications in granular starch hydrolysis

The present invention relates to a method for producing an end product and particularly an alcohol which comprises contacting a granular starch substrate with an acid-stable alpha amylase (asAA) having granular starch hydrolyzing (GSH) activity and a glucoamylase (GA) in a fermentation step which al...

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Bibliographic Details
Main Author DUNN-COLEMAN NIGEL,FISKE SUSAN M.,LANTZ SUZANNE E.,NEEFE-KRUITHOF PAULIEN,PEPSIN MICHAEL J.,SHETTY JAYARAMA K
Format Patent
LanguageEnglish
Published 11.07.2007
Subjects
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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Summary:The present invention relates to a method for producing an end product and particularly an alcohol which comprises contacting a granular starch substrate with an acid-stable alpha amylase (asAA) having granular starch hydrolyzing (GSH) activity and a glucoamylase (GA) in a fermentation step which also comprises ethanologenic microorganisms at a temperature between about 25 to 65 DEG C and producing an end-product.
Bibliography:Application Number: CN200580022276