Cellulase-free xanthan gum and process for producing same

Details Cellulase-free xanthan gum and process for producing same Cellulase-free xanthan gum and process for producing same

C - Chemistry, Metallurgy

08

B

260/225.1

C08B 37/00 (2006.01) C12N 9/99 (2006.01)

Patent

CA 1072955

K-1955 TITLE OF THE INVENTION: Cellulase-Free Xanthan Gum and Process for Producing Same. ABSTRACT OF THE DISCLOSURE: Intimate intermingling, as in a tumble reactor, of wet particulate xanthan gum, with either propylene oxide, .beta.-propiolactone, glutaraldehyde or pivalolactone, as essentially the only gas present, at about 40°- 70°C., for from 1-5 hours, produces xanthan gum in which the cellulase enzyme is inactivated, but in which the viscosity of solutions is increased; the propylene oxide is removed to afford a residual propylene oxide content of not more than 300 ppm in the product xanthan gum.

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