Structure of an arabogalactan from tamarack (Larix laricina)

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DOIResolve DOI: http://doi.org/10.1139/v60-037
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TypeArticle
Journal titleCanadian Journal of Chemistry
ISSN0008-4042
Volume38
Issue2
Pages280293; # of pages: 14
AbstractA water-soluble polysaccharide containing L-arabinose and D-galactose in a molar ratio 1:3.8 was isolated from tamarack. Fractionation with ethanol from aqueous solution yielded one main component which was judged to be homogeneous on the basis of electrophoresis and sedimentation data. Hydrolysis of the fully methylated polysaccharide yielded, 2,3,5-tri-O-methyl-L-arabinose (2 moles); 2,3,4,6-tetra-O-methyl-D-galactose (16 moles); 2,5-di-O-methyl-L-arabinose (5 moles); 2,3,4-tri-O-methyl-L-arabinose (5.5 moles); 2,3,4-tri-O-methyl-D-galactose (11 moles); 2,4,6-tri-O-methyl-D-galactose (3 moles); 2,6-di-O-methyl-D-galactose (1 mole); 2,4-di-O-methyl-D-galactose (20 moles); 2-O-methyl-D-galactose (3 moles).Possible structures for the arabogalactan are proposed and discussed on the basis of these results.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
Identifier5483
NPARC number21274503
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Record identifier85d85983-217f-4a4e-acdc-6e6e016c42b5
Record created2015-03-16
Record modified2016-05-09
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