The inventive process contacts oil with an ultrafiltration membrane, wherein the ultrafiltration membrane comprises a polymer or copolymer of a vinylidene difluoride monomer, and separates {HEAD ~ the oil} into a permeate fraction having a reduced phosphatide, color and free fatty acids content and a retentate fraction having {TAIL ~ an increased phosphatide content} 
The inventive process contacts oil with an ultrafiltration membrane , wherein the ultrafiltration membrane comprises a polymer or copolymer of a vinylidene difluoride monomer , and separates { HEAD ~ the oil } into a permeate fraction having a reduced phosphatide , color and free fatty acids content and a retentate fraction having { TAIL ~ an increased phosphatide content }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL