Patent ID: 6866879
Filing Date: 2005-03-15
Classification: A23C,A23J

Abstract:
1. A method of removing bovine insulin from a liquid fat-free proteinous material originating from cow's milk, said process consisting of the steps of: contacting the liquid fat-free proteinous material originating from cow's milk with a styrene-based or acrylic-based macroporous adsorption resin having a pore size between 50 to 500 Å, the proteinous material having a pH of 2 to 8, at a temperature of less than 65° C., whereby the weight ratio of the proteinous material to be treated to the adsorption resin is at most 100:1, wherein an ultra and dia-filtration treatment of the proteinous material is carried out before adsorption resin treatment.