C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 1/21 (2006.01) A23L 3/3571 (2006.01)
Patent
CA 2645557
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.
L'invention concerne une souche bactérienne de Leuconostoc utilisée dans l'industrie laitière afin d'empêcher la croissance de micro-organismes pathogènes, ce qui permet d'assurer la qualité et l'innocuité de produits laitiers produits par fermentation, notamment, les fromages, les yaourts, la crème sure, le babeurre et les produits de kéfir. La souche bactérienne de Leuconostoc de l'invention est une souche Leuconostoc carnosum de recombinaison caractérisée par un phénotype lactose positif capable d'utiliser le lactose comme source unique de carbone. L'invention fournit une culture de départ comprenant le Leuconostoc carnosum lactose positif utilisé dans la production de produits laitiers et produits laitiers préparés à l'aide de la souche de Leuconostoc ou de la culture de départ.
Helmark Soren
Jensen Peter Ruhdal
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Technical University Of Denmark
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