Edible oil refining

Edible oil refining is a set of processes or treatments necessary to turn vegetable raw oil into edible oil.

Raw vegetable oil, obtained from seeds by pressing, solvent extraction, contains free fatty acids and other components such as phospholipids, waxes, peroxides, aldehydes, and ketones, which contribute to undesirable flavor, odor, and appearance; for these reasons, all the oil has to be refined.

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