MILK PRODUCTS COMPRISING HIGH AMOUNTS OF GALACTOOLIGOSACCHARIDES (GOS) AND THEIR PRODUCTION

The present invention relates to milk products comprising a high amount of in situ produced galactooligosaccharides (GOS) and methods of producing same. Milk substrate having a lactose content of at least 20wt% lactose is treated with an enzyme having transgalactosylating activity. The transgalactos...

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Bibliographische Detailangaben
1. Verfasser:	TAMS, Jeppe
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE DERIVATIVES THEREOF 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 HYGIENE MAKING THEREOF MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MILK OR CHEESE SUBSTITUTES MUTATION OR GENETIC ENGINEERING NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS SUGARS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention relates to milk products comprising a high amount of in situ produced galactooligosaccharides (GOS) and methods of producing same. Milk substrate having a lactose content of at least 20wt% lactose is treated with an enzyme having transgalactosylating activity. The transgalactosylating activity of said enzyme may have been increased via glycation of lysine and/or arginine residues by incubation of said enzyme with high concentrations of glucose at elevated temperatures. La présente invention concerne des produits laitiers comprenant une grande quantité de galacto-oligosaccharides (GOS) produits in situ, et leurs procédés de production. Un substrat de lait ayant une teneur en lactose supérieure ou égale à 20 % en poids de lactose est traité par une enzyme présentant une activité de transgalactosylation, l'activité de transgalactosylation de ladite enzyme ayant été augmentée par la glycation de résidus de lysine et/ou d'arginine par incubation de ladite enzyme avec des concentrations élevées de glucose à des températures élevées.