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Polysaccharides from the roots of the marsh mallow (Althaea officinalis L.): Structure of an arabinan

✍ Scribed by Peter Capek; Rudolf Toman; Alžbeta Kardošová; Jozef Rosík

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
530 KB
Volume
117
Category
Article
ISSN
0008-6215

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✦ Synopsis

A water-soluble L-arabinan isolated from the mucous material of the roots of the marsh mallow (Althea ojjficinah L.) has a highly branched structure of -90 (Y-L-arabinofuranosyl residues variously linked by (l&.5), (l-+3), and (l&2) bonds. Some of the L-arabinosyl groups are involved in branches through O-2, O-3, and O-5. There was good agreement between the results obtained by chemical and 13Cn.m.r.-spectroscopic methods. The polymer has essentially the same structural features as those found for L-arabinans isolated from other plant sources.

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