Production of fructose syrup

Details Production of fructose syrup Production of fructose syrup

1984-11-23

1986-09-23

Cintins, Ivars

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 462, 127 55, 127 69, C13D 314

Patent

active

046133771

ABSTRACT:
Novel, highly useful, sweet fructose-containing syrups also containing fructooligosaccharides are provided herein by the partial or substantially complete hydrolysis of inulin. The process includes first providing an aqueous solution containing inulin from Jerusalem artichoke tubers or chicory roots. Then the warm aqueous solution of inulin is passed through a column containing a strong acid cation-exchange resin, thereby providing an effluent having a pH of about 2.0-about 3.0. The effluent is then hydrolyzed by heating at a temperature of about 70.degree.-about 100.degree. C., and the hydrolyzate is passed through a column containing of about 6.5-about 7.0. resin, thereby providing an effluent having a pH about 6.5-about 7.0. Optionally, after the hydrolysis step, the hydrolyzate is decolorized by contact with activated or granular charcoal. The effluent is then concentrated to a syrup containing less water than the effluent, e.g. one containing about 40-about 70% solids. The sweet fructose syrup containing oligofructans can be used as truly "health" sweetener, particularly ideal for elderly people and diabetics. The pulp obtained after the juice extraction is rich in protein and can be used as feed.

REFERENCES:
patent: Re28885 (1976-06-01), Cotter et al.
patent: 2567060 (1951-09-01), Docal
patent: 2746889 (1956-05-01), Langlois et al.
patent: 2950228 (1960-08-01), Marshall
patent: 3044904 (1962-07-01), Serbia
patent: 3285776 (1966-11-01), Scallet et al.
patent: 4421852 (1983-12-01), Hoehn et al.

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