Process for the recovery and purification of xanthan gum

Details Process for the recovery and purification of xanthan gum Process for the recovery and purification of xanthan gum

1995-06-07

1997-10-21

Naff, David M.

Chemistry: molecular biology and microbiology

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

Preparing compound containing saccharide radical

424 934, 4242821, 4352521, 435822, 435910, 536114, C12P 1906, C12N 120

Patent

active

056795564

ABSTRACT:
A xanthan gum-containing fermented solution is subjected to an enzyme treatment for solubilizing the microbial cells present in the fermented solution. While the fermented solution having undergone the enzyme treatment is maintained at a temperature of 50.degree. C. to 80.degree. C., and xanthan gum is precipitated by adding an hydrophilic organic solvent incapable of dissolving xanthan gum to the fermented solution. When a rotary turbine is used, the precipitate can be cut with a shearing cutter to recover a finely-divided fibrous product.

REFERENCES:
Patent Abstracts of Japan, vol. 18, No. 191 (C-1186), Apr. 4, 1994, and JP A 5-345801 of Dec. 27, 1993. 60-227692 of Dec. 12, 1985.

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