Veterinary D-type clostridium perfringen toxin, and preparation method and special culture medium of D-type clostridium perfringen toxin
The invention discloses a preparation method and a special culture medium of veterinary D-type clostridium perfringen toxin. The culture medium per 100ml comprises the following components: 1-1.5g soy peptone, 1-1.5g casein peptone, 0.5-0.75g yeast extract, 0.5-0.75g Na2HPO4.12H2O, 1-1.5g dextrin an...
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| creator | PENG XIAOBING LI XUNI PENG GUORUI JIANG YUWEN |
| description | The invention discloses a preparation method and a special culture medium of veterinary D-type clostridium perfringen toxin. The culture medium per 100ml comprises the following components: 1-1.5g soy peptone, 1-1.5g casein peptone, 0.5-0.75g yeast extract, 0.5-0.75g Na2HPO4.12H2O, 1-1.5g dextrin and the balance of water, wherein a pH (potential of hydrogen) value of the culture medium is 8.0-8.5. The preparation method of the D-type clostridium perfringen toxin comprises the steps of inoculating a D-type clostridium perfringen production strain into the culture medium, collecting a culture material, performing centrifugation, and then filtering a supernate. With the adoption of the method, the maximum toxicity can be improved to be 45 times a seedling standard in Regulations on National Veterinary Biological Products, and an output-input ratio can be increased to be 30-225 times that of the original traditional technology. In addition, corresponding serum neutralization titer of a toxoid vaccine prepared by |
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The culture medium per 100ml comprises the following components: 1-1.5g soy peptone, 1-1.5g casein peptone, 0.5-0.75g yeast extract, 0.5-0.75g Na2HPO4.12H2O, 1-1.5g dextrin and the balance of water, wherein a pH (potential of hydrogen) value of the culture medium is 8.0-8.5. The preparation method of the D-type clostridium perfringen toxin comprises the steps of inoculating a D-type clostridium perfringen production strain into the culture medium, collecting a culture material, performing centrifugation, and then filtering a supernate. With the adoption of the method, the maximum toxicity can be improved to be 45 times a seedling standard in Regulations on National Veterinary Biological Products, and an output-input ratio can be increased to be 30-225 times that of the original traditional technology. 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The culture medium per 100ml comprises the following components: 1-1.5g soy peptone, 1-1.5g casein peptone, 0.5-0.75g yeast extract, 0.5-0.75g Na2HPO4.12H2O, 1-1.5g dextrin and the balance of water, wherein a pH (potential of hydrogen) value of the culture medium is 8.0-8.5. The preparation method of the D-type clostridium perfringen toxin comprises the steps of inoculating a D-type clostridium perfringen production strain into the culture medium, collecting a culture material, performing centrifugation, and then filtering a supernate. With the adoption of the method, the maximum toxicity can be improved to be 45 times a seedling standard in Regulations on National Veterinary Biological Products, and an output-input ratio can be increased to be 30-225 times that of the original traditional technology. 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The culture medium per 100ml comprises the following components: 1-1.5g soy peptone, 1-1.5g casein peptone, 0.5-0.75g yeast extract, 0.5-0.75g Na2HPO4.12H2O, 1-1.5g dextrin and the balance of water, wherein a pH (potential of hydrogen) value of the culture medium is 8.0-8.5. The preparation method of the D-type clostridium perfringen toxin comprises the steps of inoculating a D-type clostridium perfringen production strain into the culture medium, collecting a culture material, performing centrifugation, and then filtering a supernate. With the adoption of the method, the maximum toxicity can be improved to be 45 times a seedling standard in Regulations on National Veterinary Biological Products, and an output-input ratio can be increased to be 30-225 times that of the original traditional technology. In addition, corresponding serum neutralization titer of a toxoid vaccine prepared by</abstract><oa>free_for_read</oa></addata></record> |
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| 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 HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS VINEGAR WINE |
| title | Veterinary D-type clostridium perfringen toxin, and preparation method and special culture medium of D-type clostridium perfringen toxin |
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