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The rheological properties of aqueous solutions of levan polysaccharide from Bacillus sp. were studied at 20.0°C over a wide range of concentrations. At low concentrations the solutions were Newtonian, becoming shear thinning at higher concentrations. The intrinsic viscosity of this levan was found to be 0.14dL/g, which is close to that of other levans. However, whereas other polysaccharides exhibit...