Protease inactivated alpha -amylase preparations

Protease enzyme impurities contained in bacterial alpha -amylase enzyme preparations are inactivated by a mild heat treatment in the presence of a protective material. Useful protective materials include calcium and starch hydrolysates such as corn syrup. The protease-free alpha -amylase can then be...

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Bibliographische Detailangaben
Hauptverfasser:	HEBEDA, RONALD, LEACH, HARRY W
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS VINEGAR WINE
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Beschreibung
Zusammenfassung:	Protease enzyme impurities contained in bacterial alpha -amylase enzyme preparations are inactivated by a mild heat treatment in the presence of a protective material. Useful protective materials include calcium and starch hydrolysates such as corn syrup. The protease-free alpha -amylase can then be used to solubilize starch materials by various granular starch and conventional processes. Hydrolysates obtained contain significantly less soluble protein than those prepared using untreated alpha -amylases. A preferred alpha -amylase enzyme preparation is one derived from a Bacillus licheniformis microorganism.