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Method for the production of anti-escherichia. coli O157 : H7 antibody
Method for the production of anti-escherichia. coli O157 : H7 antibody
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机译:生产抗大肠埃希氏菌的方法。大肠杆菌O157:H7抗体
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摘要
Disclosed is a method for producing anti-E. coli O157 antibodies. Anti- E. coli O157:H7 antibodies are produced in egg-laying hens and isolated from the eggs. E. coli O157:H7 is cultured in a brain heart infusion broth and killed by the treatment with hot water for 5-10 min. After being collected by centrifugation, the dead bacteria is homogenized. Serving as an antigenic material, the bacterial homogenate is injected into egg-laying hens to induce antibodies against E. coli O157:H7 in the eggs. The induced antibodies are isolated from the yolk of the eggs and the eggs containing the antibodies against E. coli O157:H7 can be utilized, in their entirety, for foods. Alternatively, the yolks are separated from the eggs and freeze-dried. The resulting dried egg component can be applied to processed foodstuffs, alone or in combination with whole eggs. Since the antibodies against E. coli O157:H7 are contained in frozen eggs, it is very convenient to store the antibodies. The storage in the frozen eggs also makes it possible to apply the antibodies to almost all foods at any time.
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