Salt-tolerant microbial xanthanase and method of producing same

Details Salt-tolerant microbial xanthanase and method of producing same Salt-tolerant microbial xanthanase and method of producing same

1982-02-04

1983-10-18

Penland, R. B.

Chemistry: molecular biology and microbiology

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

Process involving micro-organisms of different genera in the...

435104, 435200, 435274, 435829, 435830, 435840, 435850, 435859, 435910, C12P 3900

Patent

active

044106254

ABSTRACT:
A novel Bacillus isolated from the soil is unique in its capacity to produce xanthanase, and is especially productive of the enzyme when cultured in the presence of other soil organisms. Both crude and purified xanthanases recovered from the fermentation broth effectively degrade xanthan gum. Moreover, tolerance of the Bacillus to sodium chloride levels as high as about 4%, render it useful for the in situ degradation of the heteropolysaccharide in petroleum recovery fluids and other thickened industrial brines.

REFERENCES:
patent: 2742398 (1956-04-01), ZoBell
Cripps et al., "Xanthanase Enzyme", Chemical Abstracts, vol. 95, p. 258, Abstract No. 146157q.
M. Rinaudo et al., "Enzymic Hydrolysis of the Bacterial Polysaccharide Xanthan by Cellulase," Chem. Abstr. 92: 176420a, (1980).

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