Glycosylated beta-galactosidase compositions having improved transgalactosylating activity

The present invention relates to compositions, particularly liquid compositions, comprising polypeptides having beta-galactosidase activity, methods of making said compositions, and uses of the compositions for making e.g. dairy products. The polypeptides having beta-galactosidase activity are modif...

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Bibliographische Detailangaben
1. Verfasser:	Tams, Jeppe Wegener
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FOODS OR FOODSTUFFS HUMAN NECESSITIES MAKING THEREOF METALLURGY MICROBIOLOGY MILK OR CHEESE SUBSTITUTES MUTATION OR GENETIC ENGINEERING SPIRITS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention relates to compositions, particularly liquid compositions, comprising polypeptides having beta-galactosidase activity, methods of making said compositions, and uses of the compositions for making e.g. dairy products. The polypeptides having beta-galactosidase activity are modified by glycation of lysine and/or arginine residues by incubating the enzyme in the presence of reducing sugars, optionally combined with a heat treatment. Thereby, transgalactosylating activity is increased.