What are degumming and bleaching in palm oil refining?
See all authors Degumming and bleaching are critical steps in the palm oil refining process, as they are the precursors to the qualities of refined, bleached, and deodorized palm oil. In practice, plant operators often face oil rejections in these processes and solve the problem by trial and error.
Does degumming affect physicochemical properties of crude sunflower oil?
The effect of different degumming processes on physicochemical properties of crude sunflower oil was studied by means phosphorous content, acid value, peroxide value, phospholipids, iron, moisture, unsaponifiable matter, viscosity, density and color value.
What is degumming and bleaching in vegetable oil refining?
Degumming and bleaching stages of vegetable oil refining processes are required to achieve the phosphorus content specification (¡Ü10 mg/kg) reducing gums deposit during storage. Studies of degumming stage using citric acid are focused on statistical models, while studies of bleaching stage are focused on pigment removal.
Does enzymatic degumming reduce phospholipids in crude sunflower oil?
The phospholipids content of crude sunflower oil was strongly reduced by the enzymatic degumming process being 95.05% and 94.28% with PLA1 and PLA2 respectively. This should be due to the hydrolysed capacity of the enzymes. The water degumming process also achieved a significant reduction in the phospholipids content.
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