Immobilization of microorganisms in gelled carrageenan

Details Immobilization of microorganisms in gelled carrageenan Immobilization of microorganisms in gelled carrageenan

1980-11-24

1982-08-31

Naff, David M.

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

435161, 435178, 435182, C12P 748, C12P 706, C12N 1110

Patent

active

043473202

ABSTRACT:
Microorganisms are immobilized by mixing the microorganisms with an aqueous solution of kappacarrageenan and gelling the resultant mixture by the addition of an epihalohydrin: alkylene polyamine polymer having a mole ratio of from about 0.60:1 to 2.7:1 and a molecular weight of from 4,000 to 50,000 or by the addition of polyethyleneimine having a molecular weight of 300 to 50,000. Preferred microorganisms are Aspergillus niger and Saccharomyces cerevisiae which are respectively used to produce citric acid and ethanol.

REFERENCES:
patent: 3402103 (1968-09-01), Amberg et al.
patent: 3940315 (1976-02-01), Hustede et al.
patent: 4138292 (1979-02-01), Chibata
patent: 4288552 (1981-09-01), Gestrelius

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