CHITOSAN POWDER

• Main Authors: GAUTIER, SANDRINE, TEISSEDRE, PIERRE-LOUIS, BORNET, AURELIE, GRANES, DANIELS, PIC-BLATEYRON, LUCILE, MAQUET, VERONIQUE
• Format: Patent
• Language: English; French
• Published: 22.12.2011
• Subjects: AGEING; AGRICULTURE; ANIMAL HUSBANDRY; BEER; BIOCHEMISTRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; CLARIFICATION; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DERIVATIVES THEREOF; ENZYMOLOGY; FISHING; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; FORESTRY; HUMAN NECESSITIES; HUNTING; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; ORGANIC MACROMOLECULAR COMPOUNDS; PASTEURISATION; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; POLYSACCHARIDES; PRESERVATION; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; PURIFICATION; SPIRITS; STERILISATION; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; TRAPPING; VINEGAR; WINE

The invention relates to a chitosan in the form of a micronised powder, to the use thereof to combat certain yeasts, such as Brettanomyces, and to a method for the treatment of a liquid food. In particular, the invention relates to a water-insoluble chitosan in the form of a micronised powder having a grain size of between 5 and 50 micrometres and to the use thereof in the treatment of liquid foods and/or to combat Brettanomyces. L'invention concerne un chitosane sous forme de poudre micronisée, son utilisation pour lutter contre certaines levures, comme des Brettanomyces, et une méthode de traitement d'un liquide alimentaire. L'invention concerne en particulier un chitosane insoluble dans l'eau sous forme de poudre micronisée dont la granulométrie est comprise entre 5 et 50 microns, et son utilisation dans le traitement de liquides alimentaires et/ou pour lutter contre Brettanomyces.