{TAIL ~ A process} for refining and degumming edible oils by ultrafiltration which produces {HEAD ~ a permeate fraction} with reduced phosphatide content and retentate with increased phosphatide content, and wherein the ultrafiltration membrane is composed of a polymerical polymer of a vinylidene difluoride monomer 
{ TAIL ~ A process } for refining and degumming edible oils by ultrafiltration which produces { HEAD ~ a permeate fraction } with reduced phosphatide content and retentate with increased phosphatide content , and wherein the ultrafiltration membrane is composed of a polymerical polymer of a vinylidene difluoride monomer
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