Patent ID: 6433146
Filing Date: 2002-08-13
Classification: A23J,A23V,C11B

Abstract:
A corn product removal process, the process comprising steps of:extracting oils and proteins from corn by subjecting the corn to an ethanol solution to thereby produce and extraction solution containing oils, corn solids, and zein protein; separating said corn solids from said extraction solution; membrane filtering said extraction solution after said step of separating said corn solids to restrain zein concentrate from said mixture and pass an oil and ethanol mixture; membrane filtering said oil and ethanol mixture to restrain oil concentrate and pass ethanol; selecting at least one of zein concentrate or oil separated in said membrane filtering steps for an output corn product, wherein said step of membrane filtering said extraction solution uses at least one ultrafiltration membrane, wherein said step of membrane filtering said oil and ethanol mixture uses at least one nanofiltration membrane, and wherein said step of extraction uses an ethanol solution having an ethanol concentration of between 60-100%.