A process for refining glyceride oil comprising a basic ionic liquid treatment

A process for refining glyceride oil comprising contacting glyceride oil with a basic ionic liquid comprising an organic quaternary ammonium cation, separating the treated glyceride oil from an ionic compound comprising the organic quaternary ammonium cation, and subjecting the treated glyceride oil...

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Bibliographische Detailangaben
Hauptverfasser: Christopher Klatt Hamer, Martin Philip Atkins, Peter Goodrich, Eoghain O'Hara
Format: Patent
Sprache:eng
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Zusammenfassung:A process for refining glyceride oil comprising contacting glyceride oil with a basic ionic liquid comprising an organic quaternary ammonium cation, separating the treated glyceride oil from an ionic compound comprising the organic quaternary ammonium cation, and subjecting the treated glyceride oil after the separation step to at least one further refining step. The glyceride oil does not comprise palm oil and the basic anion of the basic ionic liquid is selected from hydroxide, alkoxide, alkylcarbonate, hydrogen carbonate, carbonate, serinate, prolinate, histidinate, threoninate, valinate, asparaginate, taurinate and lysinate. Preferably the basic ionic liquid is selected from choline bicarbonate or choline hydroxide. Also claimed is the use of the basic ionic liquid for preventing or reducing the formation of chloropropanol fatty acid esters and/or glycidyl fatty acid esters during a heating step of glyceride oil.