Process for purifying sucrose fatty acid esters

Details Process for purifying sucrose fatty acid esters Process for purifying sucrose fatty acid esters

1989-04-14

1991-04-16

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536127, 536124, 536120, 536115, C07H 100, C07H 1300, C13F 300

Patent

active

050083872

ABSTRACT:
From a reaction mixture obtained by reaction of sucrose and a fatty acid alkyl ester in the presence of a catalyst, a purified sucrose fatty acid ester is prepared without using organic solvents for purification by adding water to the reaction mixture and subjecting the resulting aqueous solution to ultrafiltration, thereby removing the unreacted sucrose, the catalyst or a salt derived from the catalyst, and the volatile component used as the reaction medium together with water. A powder of the purified sucrose fatty acid ester is easily, economically and safely prepared by subjecting the aqueous solution remaining in the ultrafiltration to reverse osmosis and spray-drying the resulting concentrate.

REFERENCES:
patent: T995002 (1980-06-01), Zeringue, Jr. et al.
patent: 3748324 (1973-07-01), Mizutani et al.
patent: 3792041 (1970-08-01), Yamagishi et al.
patent: 4252834 (1981-02-01), Inamine et al.

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