Process of purifying xanthan gum using an alkaline protease and

Details Process of purifying xanthan gum using an alkaline protease and Process of purifying xanthan gum using an alkaline protease and

1997-12-31

1999-11-30

Naff, David M.

Chemistry: molecular biology and microbiology

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

Preparing compound containing saccharide radical

435183, 4352521, 435262, 435822, 435910, C07C 102, C12N 100, C12N 900, C12P 1906

Patent

active

059941073

ABSTRACT:
Xanthan gum is purified by heat-treating a xanthan gum fermented broth, and consecutively treating the broth first with alkaline protease and then with lysozyme or in reverse order, and thereafter recovering xanthan gum from the treated broth. A clear aqueous solution of xanthan gum may be obtained without complex procedures. The xanthan gum is separated and purified and 0.3% aqueous solution of the purified xanthan gum has a transmittance of at least 80%.

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