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1. (Article ID: 7888)
Axelsson K, Bjorndal H
Polysaccharides elaborated by Polyporus ovinus (Schaeff). 1. Structure of a fucogalactan from the water extracts of the fruit bodies
Acta Chemica Scandinavica 23(5) (1969)
1815-1817
Polysaccharides from Polyporus ovinus were studied. The heterogalactan from Polyporus ovinus seems to have a very similar structure to the fucogalactan of Polyporus borealis.
structure, fucogalactan, Polyporus ovinus
NCBI PubMed ID: 5360618Publication DOI: 10.3891/acta.chem.scand.23-1815Journal NLM ID: 0421263Publisher: Munksgaard International Publishers
Institutions: Institutionen för organisk kemi, Stockholm Universitet, Stockholm, Sweden
Methods: methylation, GLC-MS, acid hydrolysis, paper chromatography, extraction, optical rotation measurement, acetylation, methylation analysis, reduction, precipitation
The publication contains the following compound(s):
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2. (Article ID: 9040)
Samuelsen ABC, Rise F, Wilkins AL, Teveleva L, Nyman AAT, Aachmann FL
The edible mushroom Albatrellus ovinus contains a α-L-fuco-α-D-galactan, α-D-glucan, a branched (1→6)-β-D-glucan and a branched (1→3)-β-D-glucan
Carbohydrate Research 471 (2019)
28-38
Albatrellus ovinus, the sheep polypore, is a large, dense mushroom being rich in cell wall material. Polysaccharides were isolated by sequential extraction, enzymatic treatment and analyzed with respect to monosaccharide composition, glycosidic linkages by methylation and GC-MS as well as NMR spectroscopy. A fucogalactan composed of an (1→6)-α-D-galactan backbone with single α-l-Fucp residues attached at O-2 was identified in the hot water extract obtained after treatment with a protease and size exclusion chromatography. Both the hot water extract and the hot alkali extract contained an (1→4)-α-D-glucan whereas β-D-glucans were mainly present in the latter. Structural analysis suggested the presence of two different β-D-glucan backbone structures; a (1→6)-linked β-D-glucan with single β-D-Glcp residues at O-3 and also a (1→3)-linked β-D-glucan with branches in O-6. In addition there were identified short (1→2)-linked β-D-xylan and (1→3)-α-D-mannan chains.
β-glucan, α-glucan, fucogalactan, Albatrellus ovinus
NCBI PubMed ID: 30412830Publication DOI: 10.1016/j.carres.2018.10.012Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: a.b.c.samuelsen
farmasi.uio.no
Institutions: Department of Chemistry, University of Oslo, Oslo, Norway, School of Pharmacy, University of Oslo, Oslo, Norway, School of Science and Engineering, University of Waikato, Hamilton, New Zealand, Department of Biotechnology and Food Science, NTNU Norwegian University of Science and Technology, NOBIPOL, Trondheim, Norway
Methods: 13C NMR, 1H NMR, methylation, NMR-2D, GC-MS, acid hydrolysis, methanolysis, HPSEC, HPSEC-MALLS, enzymatic digestion, extraction, affinity chromatography, acetylation, methylation analysis, SEC, reduction, dialysis, precipitation, centrifugation
The publication contains the following compound(s):
- Compound ID: 22216
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a-L-Fucp-(1-2)-+
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a-L-Fucp-(1-2)-+ | a-L-Fucp-(1-2)-+
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-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1-6)-a-D-Galp-(1- |
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Structure type: structural motif or average structure
Compound class: polysaccharide, fucogalactan
Reference(s) to other database(s): GTC:G95424NZ
- Compound ID: 22217
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a-D-Glcp-(1-4)-{{{-a-D-Glcp-(1-4)-}}}a-D-Glcp-(1-6)-+
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-4)-a-D-Glcp-(1-4)-a-D-Glcp-(1-4)-a-D-Glcp-(1- |
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Structure type: structural motif or average structure
Compound class: glucan, polysaccharide
Reference(s) to other database(s): GTC:G61087PB
- Compound ID: 22218
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b-D-Glcp-(1-3)-+
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b-D-Glcp-(1-3)-+ | b-D-Glcp-(1-3)-+
| | |
-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1-6)-b-D-Glcp-(1- |
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Structure type: structural motif or average structure
Compound class: glucan, polysaccharide
Reference(s) to other database(s): GTC:G36806BC
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