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1. US20100119648 - LACTOSE-POSITIVE RECOMBINANT LEUCONOSTOC STRAIN

Office United States of America
Application Number 11908478
Application Date 15.03.2006
Publication Number 20100119648
Publication Date 13.05.2010
Publication Kind A1
IPC
A23C 9/12
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
9Milk preparations; Milk powder or milk powder preparations
12Fermented milk preparations; Treatment using microorganisms or enzymes
A23C 9/127
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
9Milk preparations; Milk powder or milk powder preparations
12Fermented milk preparations; Treatment using microorganisms or enzymes
127using microorganisms of the genus lactobacteriaceae and other microorganisms or enzymes, e.g. kefir, koumiss
A23C 17/00
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
17Buttermilk; Buttermilk preparations
A23C 17/02
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
17Buttermilk; Buttermilk preparations
02containing, or treated with, microorganisms or enzymes
A23C 19/00
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
19Cheese; Cheese preparations; Making thereof
A23C 19/032
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
19Cheese; Cheese preparations; Making thereof
02Making cheese curd
032characterised by the use of specific microorganisms, or enzymes of microbial origin
Applicants DTU, TECHNICAL UNIVERSITY OF DENMARK
Inventors Jensen Peter Ruhdal
Helmark Soren
Agents DARBY & DARBY P.C.
Priority Data PA 2005 00372 15.03.2005 DK
Title
(EN) LACTOSE-POSITIVE RECOMBINANT LEUCONOSTOC STRAIN
Abstract
(EN)

The present invention provides a Leuconostoc bacterial strain for use in the diary industry to prevent the growth of pathogenic micro-organisms and thereby ensure the quality and safety of milk products produced by fermentation, including cheese, yoghurt, sour cream, buttermilk and kefir products. The Leuconostoc bacterial strain of the invention is a recombinant Leuconostoc carnosum strain, characterised by a lactose-positive phenotype with the ability to utilise lactose as sole carbon source. The invention provides a starter culture comprising the lactose-positive Leuconostoc carnosum of the invention for use in the manufacture of milk products, and milk products prepared with said Leuconostoc strain or said starter culture.