Plant wall-rich products containing an increased water-soluble f

Details Plant wall-rich products containing an increased water-soluble f Plant wall-rich products containing an increased water-soluble f

1989-09-01

1992-03-24

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

99510, 99511, 99513, A23N 1500, B02C 2100, C08B 3706

Patent

active

050990098

ABSTRACT:
Plant wall-rich products originating, for example, from higher plants naturally rich in pectins, algae, or from by-products, such as wheat bran, potato pulp, shells or oil works residues, and the like, are modified to contain a fraction of water-soluble polysaccharides which is higher than, in particular equal to at least twice that existing naturally, without modification of their overall chemical composition. To obtain them, water is added, if necessary to the natural product in the divided state, to form a mixture capable of undergoing a shearing treatment, and the resulting product is subjected to a shearing force before extrusion, resulting in modified products as aggregates which can be converted into powder. By means of aqueous extraction, performed directly on the extruded product, a water-soluble fraction is obtained, from which there are isolated, for example, pectins, with a degree of methylation .gtoreq.75%, and the extraction residue which, after drying and grinding, can be employed as alimentary fibers, as the extruded product which, having a low water content, can be directly employed.

REFERENCES:
patent: 3948677 (1976-04-01), Huster
patent: 4034664 (1977-07-01), Hassell
patent: 4139647 (1979-02-01), Douglas
patent: 4506601 (1985-03-01), Ramirez
patent: 4526794 (1985-07-01), Altomare
patent: 4865863 (1989-09-01), Prosise
patent: 5011701 (1991-04-01), Baer

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