Found 1 structure.
Displayed structure 1
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1. Compound ID: 18814
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a-D-Manp-(1-2)-a-D-Manp-(1-2)-a-D-Manp-(1-6)-+
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-6)-a-D-Glcp-(1-6)-a-D-Glcp-(1-6)-a-D-Glcp-(1-6)-a-D-Glcp-(1-2)-a-D-Manp-(1-6)-a-D-Glcp-(1-6)-a-D-Glcp-(1-6)-a-D-Glcp-(1- |
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Structure type: structural motif or average structure
; 7000
Compound class: EPS, O-polysaccharide, mannoglucan
Contained glycoepitopes: IEDB_130701,IEDB_136104,IEDB_140116,IEDB_141793,IEDB_141829,IEDB_141830,IEDB_141832,IEDB_142488,IEDB_143632,IEDB_144983,IEDB_144998,IEDB_146664,IEDB_152206,IEDB_153220,IEDB_158538,IEDB_2346541,IEDB_76933,IEDB_983930,IEDB_983931,SB_136,SB_191,SB_192,SB_196,SB_198,SB_44,SB_67,SB_72
The structure is contained in the following publication(s):
- Article ID: 7404
Mao W, Yang Y, Teng X, Zhu W, Qi X, Chen Y, Zhao C, Hou Y, Wang C, Li N "Structure and antioxidant activity of an extracellular polysaccharide from coral-associated fungus, Aspergillus versicolor LCJ-5-4" -
Carbohydrate Polymers 87(1) (2012) 218-226
An extracellular polysaccharide AVP was isolated from the fermented broth of coral-associated fungus Aspergillus versicolor LCJ-5-4. AVP was a mannoglucan with molecular weight of about 7 kDa, and the molar ratio of glucose and mannose was 1.7:1.0. On the basis of detailed one- and two-dimensional nuclear magnetic resonance (1D and NMR-2D) spectroscopic analyses, the backbone of AVP was characterized to be composed of (1→6)-linked α-d-glucopyranose and (1→2)-linked α-d-mannopyranose units. The mannopyranose residues in the backbone were substituted mainly at C-6 by the side chain of (1→2)-linked α-d-mannopyranose trisaccharides units. The antioxidant activity of AVP was evaluated with the scavenging abilities on 1,1-diphenyl-2-picrylhydrazyl (DPPH), superoxide and hydroxyl radicals in vitro, and the results indicated that AVP had good antioxidant activity, especially scavenging ability on superoxide radicals. AVP was a novel extracellular polysaccharide with different structural characteristics from other extracellular polysaccharides and could be a potential source of antioxidant.
structure, extracellular polysaccharide, Antioxidant activity, Aspergillus versicolor, coral-associated fungus
Publication DOI: 10.1016/j.carbpol.2011.07.042Journal NLM ID: 8307156Publisher: Elsevier
Correspondence: Mao W
Institutions: Key Laboratory of Marine Drugs, Ocean University of China, Ministry of Education, Shandong, China
Methods: 13C NMR, 1H NMR, methylation, NMR-2D, GC-MS, acid hydrolysis, FTIR, HPLC, UV, extraction, sulfate analysis, CC, protein detection, HPGPC, carbazole-sulfuric acid assay, radical scavenging assay, Sevag method, phenol–sulfuric acid assay
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