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Appl Environ Microbiol. 1994 Apr;60(4):1364-6. doi: 10.1128/aem.60.4.1364-1366.1994.

Composition and Rheological Properties of Extracellular Polysaccharide 105-4 Produced by Pseudomonas sp. Strain ATCC 53923.

Applied and environmental microbiology

B L Dasinger, H A McArthur, J P Lengen, A A Smogowicz, J W Miller, J J O'neill, D Horton, J B Costa

Affiliations

  1. Pfizer Central Research, Groton, Connecticut 06340.

PMID: 16349241 PMCID: PMC201483 DOI: 10.1128/aem.60.4.1364-1366.1994

Abstract

A soil isolate produced a novel extracellular polysaccharide (EPS) with unusually potent thickening powers. The EPS contained d-mannose, d-glucose, d-galactose, and d-glucuronic acid in the unique molar ratio 1:4:1:2 and 10 to 15% acetate. Viscosities of a 1-g/liter aqueous solution were 1 x 10 and 14 x 10 cP at shear rates of 0.01 and 0.1 s, respectively. The EPS was insensitive to high concentrations of NaCl and CaCl(2).

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