Process for producing secretory immunoglobulin a preparations

Details Process for producing secretory immunoglobulin a preparations Process for producing secretory immunoglobulin a preparations

A - Human Necessities

61

K

A61K 39/395 (2006.01) A61L 2/00 (2006.01) C07K 1/14 (2006.01) C07K 16/04 (2006.01) C07K 16/42 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2052809

Abstract of the disclosure: Ssecretory immunoglobulin A preparations substantially not containing virus are produced by a process wherein secretory immunoglobulin A which might be contaminated with viruses is (1) heated about 60° C for about 10 hours, or (2) subjected to the reaction with tri-n-butyl phosphate and a surfactant and the heating as mentioned above, as liquidized form in an aqueous medium, and then polymerized matters are precipitated from the resulting solution by adding polyethyleneglycol thereto.

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