Method of cyclodextrin manufacture using an immobilized cyclodex

Details Method of cyclodextrin manufacture using an immobilized cyclodex Method of cyclodextrin manufacture using an immobilized cyclodex

1986-09-10

1989-09-12

Richman, Barry S.

Chemistry: molecular biology and microbiology

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

Preparing compound containing saccharide radical

435 97, 435178, C12P 1918, C12P 1908

Patent

active

048659762

ABSTRACT:
A process for the continuous production of cyclodextrins employs as a feedstock an aqueous solution of partially hydrolyzed starch with a dextrose equivalent between about 10 and about 15 as the feedstock for an immobilized cyclodextrin glycosyltransferase. In one variant the feedstock is sent to a membrane which removes cyclodextrins and glucose and the retentate is recycled to an immobilized glycosyltransferase so as to effectively utilize the feedstock. In another variant the effluent is passed through a water immiscibled liquid organic compound which forms a solid insoluble complex with cyclodextrins, the solids are continually removed, and the aqueous phase is recycled to an immobilized cyclodextrin glycosyltransferase as in the prior variant.

REFERENCES:
patent: 3923598 (1975-12-01), Horikoshi
patent: 4141857 (1979-02-01), Levy et al.
patent: 4317881 (1982-03-01), Yagi et al.
patent: 4477568 (1984-10-01), Hoske et al.
patent: 4593004 (1986-06-01), Boross et al.
J. Szejtli, Starch, 34, 379-85, (1982).
K. Horikoshi, Process Biochemistry, May 1979 (26-30).
M. Matzuzawa et al., Die Starke, 27, 410-13, (1975).

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