Structural elucidation of a novel fucogalactan that contains 3- O-methyl rhamnose isolated from the fruiting bodies of the fungus, Hericium erinaceus

Structural elucidation of a novel fucogalactan that contains 3- O-methyl rhamnose isolated from the fruiting bodies of the fungus, Hericium erinaceus

A new heteropolysaccharide, HEPF3, was isolated from the fruiting bodies of Hericium erinaceus. HEPF3 has a molecular weight of 1.9 × 10 4 Da and is composed of fucose and galactose in a ratio of 1:4.12. Compositional analysis, methylation analysis, together with 1H and 13C NMR spectroscopy establis...

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Veröffentlicht in:Carbohydrate research 2006-04, Vol.341 (5), p.645-649
Hauptverfasser: Zhang, An-qiang, Zhang, Jing-song, Tang, Qing-jiu, Jia, Wei, Yang, Yan, Liu, Yan-fang, Fan, Jun-min, Pan, Ying-jie
Format: Artikel
Sprache:eng
Schlagworte:
Basidiomycota - chemistry
Carbohydrate Conformation
Carbohydrate Sequence
Chromatography, High Pressure Liquid
Fruiting Bodies, Fungal - chemistry
Fucogalactan
Galactans - chemistry
Hericium erinaceus
Polysaccharide
Rhamnose - chemistry
Structural analysis
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Zusammenfassung:A new heteropolysaccharide, HEPF3, was isolated from the fruiting bodies of Hericium erinaceus. HEPF3 has a molecular weight of 1.9 × 10 4 Da and is composed of fucose and galactose in a ratio of 1:4.12. Compositional analysis, methylation analysis, together with 1H and 13C NMR spectroscopy established that HEPF3 consists of a branched pentasaccharide repeating unit with the following structure: ▪ HEPF3 also contains a minor proportion of 3- O-methylrhamnose that is thought to terminate the polymer main chain.
ISSN:0008-6215
1873-426X
DOI:10.1016/j.carres.2005.11.038