An arabinogalactan from the seeds of Pseudium guava |
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Authors: | Mohamed M. El-Sayed |
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Affiliation: | Biochemistry Department, Faculty of Science, Alexandria University, Alexandria Egypt |
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Abstract: | Hemicelluloses of seeds of Pseudium guava containing d-galactose (59.6), d-arabinose (35.9), and a uronic acid (4.5%) were analyzed by methylation analysis and Smith-degradation analysis, and the following structural elements were deduced; chain residues of (1→4)-linked d-galactose, (1→5)-linked d-arabinose, and terminal d-arabinose residues. The following structure was assigned to the polysaccharide. →5)-d-Araf-(1→4)-d-Galf-(1→5)-d-Araf-(1→ |
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