Lactococcus lactis strain with high vitamin K2 production

• Main Authors: PEDERSEN, MARTIN BASTIAN, GARRIGUES, CHRISTEL
• Format: Patent
• Language: English
• Published: 27.08.2015
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS THEREOF; CULTURE MEDIA; 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; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; MAKING THEREOF; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MILK OR CHEESE SUBSTITUTES; MUTATION OR GENETIC ENGINEERING; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; PROCESSES USING MICROORGANISMS; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; VINEGAR; WINE

The present invention relates to a novel wild-type Lactococcus lactis subsp. cremoris bacteria strain with increased vitamin K2productionand mutants and variants thereof and methods for preparation of a fermented food or feed product enriched in vitamin K2 and a vitamin K enriched edible product for amelioration and/or prevention of vitamin K deficiency. The present invention also relates to the fermented food or feed product and the edible product obtainable by the methods herein and to the wild-type Lactococcus lactis subsp. cremoris bacteria strain for use in treatment and/or prevention of vitamin K deficiency in a mammal, such as a human.