Process for the enzymatic preparation from sucrose of a mixture

Details Process for the enzymatic preparation from sucrose of a mixture Process for the enzymatic preparation from sucrose of a mixture

1987-07-01

1989-08-29

Sneed, H. M. S.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 461, 127 462, 435193, 435211, 426658, C12N 910, C12N 946, C13K 700, C13K 100

Patent

active

048613819

ABSTRACT:
The invention relates to the field of biotechnology.
It relates to a process for preparing a syrup, the dry extract of which includes a high content of isomaltose, which comprises treating an aqueous solution of sucrose with a mixture of the enzymes dextransucrase and dextranase at a temperature of 0.degree. to 50.degree. C. and at a pH in the range from 4.5 to 7, so as to obtain an aqueous syrup containing fructose, isomaltose, glucose and, possibly, isomaltotriose as the main constituents.
The syrup obtained is a useful intermediate for the synthesis, in particular, of isomaltitol.

REFERENCES:
patent: 2742365 (1956-04-01), Corman et al.
Karl L. Smiley et al., "A Simplified Method for Preparing Linear Isomalto-Oligosaccharides", Carbohydrate Research, 108 (1982) pp. 279-283.
Chemical Abstracts, vol. 99, No. 19, Nov. 7, 1983, p. 488, Resume No. 156809a, Columbus, Ohio.

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