STRUCTURE OF A LEVAN PRODUCED BYBACILLUSPOLYMYXA
- 1 November 1952
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 30 (11), 872-878
- https://doi.org/10.1139/v52-106
Abstract
A strain of Bacillus polymyxa has been shown to produce two different polysaccharides when grown on a yeast extract – salts – sucrose medium in the presence of calcium carbonate. One of these polysaccharides is a levan. Methylation and hydrolysis of this compound followed by chromatographic separation on a silica column gave 1:3:4-trimethyl-D-fructofuranose, l:3:4:6-tetramethyl D-fructofuranose, and 3:4-dimethyl-D-fructofuranose in the proportions 6:1.5:1 (by weight). A possible formula is suggested.Keywords
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