Recovery of xanthan gum

Details Recovery of xanthan gum Recovery of xanthan gum

1980-08-29

1982-02-16

Hazel, Blondel

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

435104, C08B 3700, C12D 1300

Patent

active

043160123

ABSTRACT:
Xanthan gum is recovered from an aqueous fermented broth containing the gum by adding to the broth a sub-precipitant amount of organic solvent such an isopropanol, removing solids from the broth at 100.degree. C. or more, eg. by filtration, and precipitating the gum by addition of more organic solvent. Heat degradation of the gum during the solids removal is thereby lessened.

REFERENCES:
patent: 3232929 (1966-02-01), McNeely
patent: 3355447 (1967-11-01), O'Connell
patent: 3591578 (1971-07-01), Colin et al.
patent: 4135979 (1979-01-01), Corley et al.

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