Heteropolysaccharide S-139

Details Heteropolysaccharide S-139 Heteropolysaccharide S-139

1982-01-15

1984-06-12

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

435101, 435253, 536 551, 536114, 536 11, C07H 100, C08B 3700, C12P 1906, C12N 122

Patent

active

044543166

ABSTRACT:
The new heteropolysaccharide S-139, prepared by fermentation of an unnamed Psuedomonas species, ATCC 31644 has valuable properties as a thickening, suspending and stabilizing agent in aqueous systems.
Polysaccharide S-139 is principally composed of carbohydrate, protein (about 17%), and acyl groups (about 5% calculated as O-acetyl) as the glycosidically linked ester. The carbohydrate portion contains about 14% uronic acid (based on wt. gum) and the neutral sugars rhamnose, mannose, glucose, and galactose in the approximate molar ratio of 2.5:1:1.5:1 respectively.

REFERENCES:
patent: 3960832 (1976-06-01), Kang et al.
patent: 4211774 (1980-07-01), Kang et al.
patent: 4304906 (1981-12-01), Kang et al.
patent: 4342866 (1982-08-01), Kang et al.

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