| Literature DB >> 1964870 |
P J Simms1, W J Boyko, J R Edwards.
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.Entities:
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Year: 1990 PMID： 1964870 DOI： 10.1016/0008-6215(90)80099-o
Source DB: PubMed Journal: Carbohydr Res ISSN： 0008-6215 Impact factor: 2.104