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

1988-12-05

1991-10-08

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536127, 536120, 536119, 536115, C07H 100, C08B 3700

Patent

active

050555715

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 color-removal and stability against high-temperature discoloring is achieved.

REFERENCES:
patent: 3963699 (1976-06-01), Rizzi et al.
patent: 4334061 (1982-06-01), Bossier
patent: 4517360 (1985-05-01), Volpenhein
patent: 4518772 (1985-05-01), Volpenhein
patent: 4611055 (1986-09-01), Yamamoto et al.

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