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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
5
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pubmed:dateCreated |
1998-5-4
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pubmed:abstractText |
The gum exudate from the Brazilian cashew-nut tree (Anacardium occidentale) contained traces of the reducing sugars, rhamnose (0.005%), arabinose (0.03%), mannose (0.007%), galactose (0.03%), glucose (0.02%), beta-D-Galp-(1-->6)-alpha beta-D-Gal (0.05%), alpha-L-Rhap-(1-->4)-alpha beta-D-GlcA (0.008%) and alpha-L-Rhap-(1-->4)-beta-D-GlcpA-(1-->6)-beta-D-Galp-(1-->6 )-alpha beta-D-Gal (0.008%). Rhamnose, arabinose, glucose and the three oligosaccharides are components of the side-chains of the gum polysaccharide, which has a main chain of (1-->3)-linked beta-D-Galp units. The structure of this polysaccharide was determined and found to differ from that previously reported for the gum of a tree growing in India, lacking units of 4-O-methylglucuronic acid. Other new side-chain structures were characterized, particularly -alpha-D-Galp-(1-->6)-D-Galp- and alpha-L-Araf-(1-->6)-D-Galp-).
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0031-9422
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
47
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
715-21
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pubmed:dateRevised |
2000-12-18
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pubmed:meshHeading |
pubmed-meshheading:9542167-Carbohydrate Sequence,
pubmed-meshheading:9542167-Molecular Sequence Data,
pubmed-meshheading:9542167-Monosaccharides,
pubmed-meshheading:9542167-Nuclear Magnetic Resonance, Biomolecular,
pubmed-meshheading:9542167-Oligosaccharides,
pubmed-meshheading:9542167-Plant Extracts,
pubmed-meshheading:9542167-Polysaccharides,
pubmed-meshheading:9542167-Trees
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pubmed:year |
1998
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pubmed:articleTitle |
Similarity of monosaccharide, oligosaccharide and polysaccharide structures in gum exudate of Anacardium occidentale.
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pubmed:affiliation |
Departamento de Bioquímica, Universidade Federal do Paraná, Curitiba-PR, Brazil.
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pubmed:publicationType |
Journal Article
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