Enzymatic compositions for isomerizing glucose into levulose

Details Enzymatic compositions for isomerizing glucose into levulose Enzymatic compositions for isomerizing glucose into levulose

1978-07-21

1981-04-28

Wiseman, Thomas G.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

435179, 435182, 435813, C12P 1924, C12N 1112, C12N 1104

Patent

active

042647320

ABSTRACT:
The invention relates to enzymatic compositions containing intra-cellular glucose-isomerase which is enclosed in structures based on cellulose ester, their preparation and their use for isomerizing glucose into levulose.
In addition to the cellulose ester and micro-organism cells, e.g. Streptomyces phaeochromogenes, these compositions contain a sparingly water-soluble magnesium compound and optionally a sparingly water-soluble cobalt compound.
These compositions make it possible to isomerize glucose into levulose in a continuous process, with the addition of either no, or a small amount of magnesium ions to the glucose syrup to be isomerized and without the addition of cobalt ions.

REFERENCES:
patent: 3733205 (1973-05-01), Shovers et al.
patent: 3875008 (1975-04-01), Yoshino et al.
patent: 3941655 (1976-03-01), Heady et al.
patent: 3990943 (1976-11-01), Bouniot et al.
patent: 4004980 (1977-01-01), Emery et al.
Hamilton et al., "Glucose Isomermase: A Case Study of Enzyme-Catalyzed Process Technology" Immobilized Enzymes in Food 2 Microbial Processes, Plenum Press, N.Y., Olson et al. ed. (1974) pp. 85-131.
Geyer, "Glucose Isomermase: New Possibilites for the Starch-and Food Industry", Die Starke vol. 26, No. 7 (1974) pp. 225-232.
Lehinger, Biochemistry, Worth Publishers, Inc., N.Y., (1970) pp. 149, 150.

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