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1. (Article ID: 8429)
Maity P, Sen IK, Maji PK, Paloi S, Devi KS, Acharya K, Maiti TK, Islam SS
Structural, immunological, and antioxidant studies of β-glucan from edible mushroom Entoloma lividoalbum
Carbohydrate Polymers 123 (2015)
350-358
A water soluble β-glucan having molecular weight 200000 Da was isolated from hot water extract of the fruit bodies of an edible mushroom Entoloma lividoalbum (Kühner & Romagn) Kubička. This polysaccharide (ELPS) contains (1→3,6)-β-D-Glcp, (1→3)-β-D-Glcp, (1→6)-β-D-Glcp, and terminal β-D-Glcp moieties in a molar ratio of nearly 1:1:3:1. Chemical and spectroscopic analysis showed that the backbone of glucan consists of three (1→6)-β-D-glucopyranosyl and two (1→3)-β-D-glucopyranosyl residues, out of which one (1→3)-β-D-glucopyranosyl moiety was branched at O-6 with a terminal β-D-glucopyranosyl residue. This β-glucan exhibited macrophage, splenocyte, and thymocyte stimulations. It possesses promising antioxidant activities as evidenced from its hydroxyl and superoxide radical scavenging activities and reducing properties
immunostimulation, β-D-glucan, NMR studies, antioxidant properties, Entoloma lividoalbum
NCBI PubMed ID: 25843868Publication DOI: 10.1016/j.carbpol.2015.01.051Journal NLM ID: 8307156Publisher: Elsevier
Correspondence: Islam SS
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Institutions: Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore, India, Department of Biotechnology, Indian Institute of Technology (IIT) Kharagpur, Kharagpur, India, Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, Kolkata, India
Methods: 13C NMR, 1H NMR, methylation, periodate oxidation, GLC-MS, NMR-2D, acid hydrolysis, GLC, Smith degradation, GPC, UV, extraction, optical rotation measurement, acetylation, reduction, reducing sugar assays, phenol-sulfuric acid assay, radical scavenging assay, centrifugation, splenocyte proliferation assay, thymocyte proliferation assay
The publication contains the following compound(s):
- Compound ID: 20318
Structure type: oligomer
Compound class: glucan
Reference(s) to other database(s): GTC:G99986OI
- Compound ID: 21050
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b-D-Glcp-(1-6)-+
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-3)-b-D-Glcp-(1-3)-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: polymer chemical repeating unit
; 200000
Compound class: glucan, polysaccharide
Reference(s) to other database(s): GTC:G15183ZE
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