Uronic acid residues in the total hemicelluloses of oats |
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| Authors: | A.J. Buchala K.C.B. Wilkie |
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| Affiliation: | Department of Chemistry, University of Aberdeen, Old Aberdeen, Scotland |
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| Abstract: | A new method for the estimation of uronic acid residues is described. The changes in total hemicellulose composition of the leaf and stem tissues of field-grown oat plants have been further examined. In any one such tissue, increased plant maturity is accompanied by an increase in the percentage of xylose residues and by decreases in the percentages of arabinosyl, glucosyl, and uronosyl residues. The ratio of 4-O-methyl-D-glucuronosyl to D-glucuronosyl residues increases with maturity. |
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| Keywords: | Gramineae oats hemicellulose composition uronic acid estimation xylan glucuronic acid |
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