Structural studies of the polysaccharide from Aloe plicatilis Miller |
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Authors: | Berit Smestad Paulsen Egil Fagerheim Elna
verbye |
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Institution: | Institute of Pharmacy, Department of Pharmacognosy, University of Oslo, Box 1068, Blindern, Oslo 3, Norway |
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Abstract: | The interior part of the leaves of the succulent Aloe plicatilis Miller (Liliaceae) consists of a transparent jelly containing mainly an acetylated glucomannan. Structural studies show that glucose and mannose, which are present in the ratio 1:2.8, are (1 → 4)-linked and that there is no branching. The hexose residues are randomly and variously substituted at positions 2,3,6, 2,3, 2, and 3 with acetyl groups; a small proportion of the sugar units is unsubstituted. |
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