: Basics of Alkali Refining of Vegetable Oils
: Pdf
: Renato Dorsa, Klaus-Peter Eickhoff

1. Removal of undesired products from crude oils
•free fatty acids (FFA)
•phospholipids (gums)
•oxidised products
•metal ions
•colour pigments
•others
2.Preservation of valuable vitamínes.
(vitamina E ortocopherol–natural anti-oxidants)
3.Minimize oil losses
4.Protection of the oil against degradation

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