Process for producing cold-gelling hydrocolloids

Details Process for producing cold-gelling hydrocolloids Process for producing cold-gelling hydrocolloids

2006-01-17

2006-01-17

Wilson, James O. (Department: 1623)

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

Organic compounds

Carbohydrates or derivatives

C536S123100, C536S004100, C536S018200, C536S018600, C536S063000, C536S103000, C536S112000, C426S573000, C426S092000, C426S093000, C604S368000, C514S054000, C424S445000

Reexamination Certificate

active

06987182

ABSTRACT:
A dry hydrocolloid powder with cold-gel capabilities is produced by: dissolving a hydrocolloid comprising polysaccharide chains in an aqueous solution; heating the dissolved hydrocolloid solution to a temperature and for a time sufficient to induce a substantial alteration in the tertiary structure of the polysaccharide chains of the hydrocolloid; cooling the dissolved hydrocolloid solution to a temperature and for a time sufficient to substantially return the polysaccharide chains of the hydrocolloid to their original tertiary structure, wherein the polysaccharide chains form a gelling network; and drying the cooled hydrocolloid solution to form a dry powder. In some embodiments, the dry powder has a viscosity of between about 10 and 40 mPa-s when reconstituted in a 2% weight/weight solution at 25 degrees C. In other embodiments, the dry powder has a water absorption of greater than 20 g H2O/g powder.

REFERENCES:
patent: 6455512 (2002-09-01), Ward
patent: 57028102 (1982-02-01), None

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