{HEAD ~ A process} for refining and degumming {TAIL ~ edible oils} by ultrafiltration which produces 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 
for degumming
{ HEAD ~ A process } for refining and degumming { TAIL ~ edible oils } by ultrafiltration which produces 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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