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