Method for the preparation of an acid dairy drink and said acid dairy drink

The present invention relates to a method for the preparation of an acid dairy drink comprising the steps of: a) providing an aqueous dairy protein composition comprising: - at least 1% by weight casein and/or caseinate; - at least 60% by weight water; - a pH in the range of 5.5 to 8; b) adding a de...

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Bibliographische Detailangaben
Hauptverfasser:	Huppertz, Thom, Kloek, William, Eisner, Matthias Dominik, Luyten, Johanna Maria Jozefa Georgina
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE ENZYMES ENZYMOLOGY FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLICBEVERAGES MAKING THEREOF METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MILK OR CHEESE SUBSTITUTES MUTATION OR GENETIC ENGINEERING PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS PROTEIN COMPOSITIONS FOR FOODSTUFFS SPIRITS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VINEGAR WINE WORKING-UP PROTEINS FOR FOODSTUFFS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for the preparation of an acid dairy drink comprising the steps of: a) providing an aqueous dairy protein composition comprising: - at least 1% by weight casein and/or caseinate; - at least 60% by weight water; - a pH in the range of 5.5 to 8; b) adding a deamidating enzyme to the aqueous dairy protein composition in order to deamidate the casein and/or caseinate to a deamidation ratio of the deamidated casein and/or caseinate of 50% or more is achieved; and c) adjusting the pH of the composition between 4.8 and 5.4. Preferably, the aqueous dairy protein composition is incubated for such a period of time that the iso-electrical point of the deamidated casein or caseinate formed is at least 0.5 lower than native casein or non-deamidated caseinate, respectively. The so obtained drinks are also claimed.