Method of purifying crude polyol fatty acid polyesters

Details Method of purifying crude polyol fatty acid polyesters Method of purifying crude polyol fatty acid polyesters

C - Chemistry, Metallurgy

07

H

260/233.1, 260/2

C07H 13/06 (2006.01)

Patent

CA 1304361

ABSTRACT The present invention pertains to a method of purifying crude polyol fatty acid polyesters, in particular sugar polyesters, comprising, preferably more than one, alkaline washing treatments at pH of at least 12.5, optionally in combination with water and/or acid washing treatments and further conventional refining steps. By this method better colour-removal and stability against high-temperature discolouring is achieved.

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