Woolard, G. R. and Rathbone, E.B. (1976) Structural studies on a glucuronoarabinoxylan from the husk of sorghum grain. Carbohydrate Research, 51 (2). pp. 239-247.
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Abstract
Polysaccharide H-3 is composed of L-arabinose, D-xylose, glucuronic acid, and 4-O-methylglucuronic acid in the molar ratios of 15:18:2:1. The polysaccharide contains a primary chain of α-D-(1→4)-linked D-xylopyranose residues. The identification of 2-O-(glucopyranosyluronic acid)-D-xylose and 2-O-(4-O-methylglucopyranosyluronic acid)-D-xylose revealed that the acid residues are bonded through O-2 of some D-xylopyranose moieties. Most of the L-arabinofuranose residues occur as nonreducing end-groups, attached through O-3, and in some cases through both O-2 and O-3, of certain D-xylose residues. Some L-arabinofuranose residues are substituted at O-2 or O-3. P.m.r. spectroscopy suggested that most of the L-arabinose units are α-linked
| Item Type: | Article |
|---|---|
| Author Affiliation: | National Chemical Research Laboratory, Council for Scientific and Industrial Research, Pretoria 0001 South Africa |
| Subjects: | Crop Improvement > Seed Technology |
| Divisions: | Sorghum |
| Depositing User: | Ms K Syamalamba |
| Date Deposited: | 31 Jul 2012 06:12 |
| Last Modified: | 31 Jul 2012 06:12 |
| Official URL: | http://dx.doi.org/10.1016/S0008-6215(00)83331-5 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/7067 |
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