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  • How do you refine crude soybean oil?
  • Raw or crude soybean oil is first mixed with water and phosphoric acid through a calibrated dosing pump at a slightly elevated temperature, resulting in precipitation of the gums or phospholipids. This mixture is then passed through a high-speed centrifuge to separate the precipitated gums from the soybean oil.
  • What is crude degummed soybean oil?
  • Crude degummed soybean oil is defined as pure soybean oil produced from fair to average quality crude soybean oil from which most of the natural gums (phospholipids) have been removed by hydration and mechanically separated. The analytical requirements for crude degummed soybean oil are shown in Table 2.11 (18).
  • What is the process of Degumming soybean oil?
  • Degumming is the first process in the vegetable oil refining which commences with the heating of crude oil. The feedstock is taken into the degumming vessel where the temperature of oil is raised slowly. The main purpose of degumming is to remove the Phospholipids / Gums from the crude vegetable oils.
  • What is caustic refining of soybean oil?
  • The traditional method to refine CDSBO is called caustic refining. This method uses a chemical process to refine CDSBO and produce refined, bleached and deodorized soybean oil (RBD SBO). The refining process removes free fatty acids (FFA) while reducing phosphatides, color, insoluble matter and unsaponifiable material.