Heparin purification method

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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A61K 31725

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active

041197747

ABSTRACT:
Crude clinically used heparin preparations having a low specific activity, for example, about 130 heparin units per milligram are purified by contacting such liquid crude heparin preparations with a gel matrix complexed with (i.e. having linked to it) antithrombin or inter-alpha-trypsin inhibitor as a heparin-binding plasma protein, and then desorbing or eluting the heparin from the antithrombin or inter-alpha-trypsin inhibitor complexed gel matrix as with an applicable buffer, removing any salt in the solution with the heparin by gel filtration and then drying the heparin as by lyophilization.

REFERENCES:
patent: 2623001 (1952-12-01), Sylven et al.

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