Process for the preparation of exocellular biopolymers

Details Process for the preparation of exocellular biopolymers Process for the preparation of exocellular biopolymers

1986-12-19

1989-10-03

Richman, Barry S.

Chemistry: molecular biology and microbiology

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

Preparing compound containing saccharide radical

435101, 435 72, C12P 1906

Patent

active

048716650

ABSTRACT:
Process for the preparation of exocellular biopolymers having a thickening effect in aqueous media by aerobic culture of microorganism strains forming the biopolymers in an aqueous nutrient medium present as disperse aqueous phase in a water/oil emulsion (W/O-emulsion) stable under fermentation conditions using W/O emulsifiers for emulsion formation and stabilization, in which the oil phase is used in quantities below 50% by volume, based on the mixture as a whole, and fatty acid dialkanolamides are used as the W/O emulsifiers.

REFERENCES:
patent: 4226736 (1980-10-01), Bush et al.
patent: 4352882 (1982-10-01), Maury
patent: 4519844 (1985-05-01), Chaux et al.
patent: 4618582 (1986-10-01), Engelskirchen et al.
Methods in Microbiology, vol. 3A, Academic Press, London, 1970.
R. L. Whistler, J. N. BeMiller (Ed): Industrial Gums, Polysaccharides and Derivatives, Academic Press, New York and London, 1973.
Ullmans Encyklopadie der technischen Chemie, 1974, vol. IV, pp. 453 et seq.
Houben-Weyl, Methoden der Organischen Chemie, 1958, vol. I/1, pp. 219-220.

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