Method for the crystallization of fructose

Details Method for the crystallization of fructose Method for the crystallization of fructose

1988-05-27

1990-07-03

Pak, Chung K.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 61, 127 62, C13F 102, C13F 104

Patent

active

049388045

ABSTRACT:
The invention relates to a method for the production of crystalline fructose. The method comprises the steps of adding ethanol to a concentrated fructose solution; evaporating the mixture to a degree of supersaturation of at least 1.02; and adding anhydrous fructose seed crystals; removing ethanol-water azeotrope at a reduced pressure while maintaining the solution at a substantially constant temperature ranging from 50.degree. C. to 75.degree. C. so as to crystallize fructose; and recovering crystallized fructose, e.g. by centrifugation.

REFERENCES:
patent: 3928062 (1975-12-01), Yamauchi
patent: 4145230 (1979-03-01), Madsen et al.
patent: 4518436 (1985-05-01), Van der Poel
patent: 4666527 (1987-05-01), Ito et al.
patent: 4724006 (1988-02-01), Day

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