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. 1990 Dec 15:208:193-8.
doi: 10.1016/0008-6215(90)80099-o.

The structural analysis of a levan produced by Streptococcus salivarius SS2

P J Simms  1 , W J Boyko, J R Edwards
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The structural analysis of a levan produced by Streptococcus salivarius SS2

P J Simms et al. Carbohydr Res. .

Abstract

The structure of a water-soluble levan produced by Streptococcus salivarius SS2 has been determined by means of various chemical and instrumental methods. Methylation and periodate oxidation studies demonstrate that the levan is comprised of D-fructofuranosyl backbone residues linked beta-(2----6) (about 70%) with beta-(2----1) branches (about 30%). 13C-N.m.r. spectral analysis of the polymer is consistent with the structure determined by chemical means.

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