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Process for selectively isolating igy antibodies from egg yolk of an anseriform bird and igy antibodies obtained thereby

Posted by on in 2003
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Chiou, Victor (2003), United States Patent Application Publication 20060223986


The present invention mainly relates to a process for isolation and purification of yolk antibodies from egg yolk of an anseriform bird by an adsorption chromatographic procedure using a water insoluble non-charged absorbent to accomplish a desired separation of yolk antibodies, and by a salting-out procedure that differentially precipitates the IgY antibodies. The present invention also relates to the yolk antibodies produced thereby and various uses of such yolk antibodies.

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