Bifidobacterium longum variant capable of producing polysaccharide and application of polysaccharide of bifidobacterium longum variant in crystal ball probiotic preparation

• Main Authors: HUANG FEN, ZHU HUI, TIAN JIAN, QUAN LIYAN, DING HUI
• Format: Patent
• Language: Chinese; English
• Published: 25.07.2023
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS THEREOF; CULTURE MEDIA; 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; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY ASINGLE OTHER SUBCLASS; SPIRITS; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; VINEGAR; WINE

The invention provides a Bifidobacterium longum variant (Bifidobacterium longum subsp) capable of producing polysaccharide, the Bifidobacterium longum strain is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on November 28, 2022, the preservation address is Guangzhou, and the preservation number is GDMCC No: 63000. The invention further provides a preparation method of the Bifidobacterium longum strain. The bifidobacterium longum variant is easy to culture, and the yield of polysaccharide produced and expressed by the bifidobacterium longum variant is high. 本发明提供了一株可产多糖的长双歧杆菌变种(Bifidobacterium longum subsp)，所述长双歧杆菌菌株于2022年11月28日保藏于广东省微生物菌种保藏中心(GDMCC)，保藏地址为广州，保藏编号为GDMCC No：63000。本发明中的长双歧杆菌变种易培养，由长双歧杆菌变种生产表达的多糖产量较高。