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1. (Article ID: 8450)
Wang JH, Xu JL, Zhang JC, Liu Y, Sun HJ, Zha X
Physicochemical properties and antioxidant activities of polysaccharide from floral mushroom cultivated in Huangshan Mountain
Carbohydrate Polymers 131 (2015)
240-247
In this paper, a polysaccharide fraction (FMPS) was purified from the floral mushroom cultivated in Huangshan Mountain for the first time. Physicochemical properties and antioxidant activities of FMPS were investigated. FMPS had an average molecular weight of 720000 Da and was composed of glucose. On the basis of FT-IR, NMR and methylation analysis, the repeating unit of FMPS was established as (1→3)-linked β-D-glucopyranosyl backbone with 1-linked β-D-glucopyranosyl branches substituted at O-6 position of (1→3)-linked β-D-glucopyranosyl residues. The advanced structure studies indicated that FMPS was a triple-helical polysaccharide. The main hydrodynamic radius (Rh) of FMPS was 23.4 nm and it could form a stable system with water in 0.012 g/mL solutions. In addition, FMPS exhibited high DPPH radical scavenging activities (79.46% at 5mg/mL) and hydroxyl radical scavenging activities (74.18% at 5 mg/mL), as well as Fe2+ chelating activities and ABTS radical scavenging activities to some extent
polysaccharides, physicochemical properties, antioxidant activities, floral mushroom
NCBI PubMed ID: 26256181Publication DOI: 10.1016/j.carbpol.2015.05.052Journal NLM ID: 8307156Publisher: Elsevier
Correspondence: junhuiwang
hfut.edu.cn
Institutions: School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, China, Center of Analysis and Measurement, Hefei University of Technology, Hefei, China
Methods: 13C NMR, methylation, IR, GC-MS, acid hydrolysis, GC, viscosity measurement, extraction, methylation analysis, reduction, dialysis, dynamic light scattering, HPGPC, precipitation, radical scavenging assay, evaporation, Congo Red assay, Sevag method, centrifugation, ELSD
The publication contains the following compound(s):
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2. (Article ID: 10917)
Mizuno M, Iinuma M, Tanaka T, Sakakibara N, Murata J, Murata H, Lang F
Two flavonol glycosides from the underground parts of Vancouveria hexandra
Phytochemistry 29 (1990)
1277-1281
Two new flavonol glycosides were isolated from the roots and rhizomes of Vancouveria hexandra. The glycosides were determined by chemical and spectral means to be anhydroicaritin 3-galactosyl(1----3) rhamnoside-7-glucoside and anhydroicaritin 3-[6-O-acetyl-galactosyl(1----3)rhamnoside]-7-glucoside.
NCBI PubMed ID: 1366428Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Department of Pharmacognosy, Gifu Pharmaceutical University, Gifu, Japan
The publication contains the following compound(s):
- Compound ID: 27188
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b-D-Glcp-(1-7)-+
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b-D-Galp-(1-3)-a-L-Rhap-(1-3)-Subst
Subst = anhydroicaritin = SMILES C/C(C)=C\CC1=C2C(C({3}C(O)=C(C3=CC=C(OC)C=C3)O2)=O)={5}C(O)C={7}C1O |
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Structure type: oligomer
Compound class: glycoside
Reference(s) to other database(s): CCSD:
49775, CBank-STR:7817
- Compound ID: 27189
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b-D-Glcp-(1-7)-+
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b-D-Galp6Ac-(1-3)-a-L-Rhap-(1-3)-Subst
Subst = anhydroicaritin = SMILES C/C(C)=C\CC1=C2C(C({3}C(O)=C(C3=CC=C(OC)C=C3)O2)=O)={5}C(O)C={7}C1O |
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Structure type: oligomer
Compound class: glycoside
Reference(s) to other database(s): CCSD:
49776, CBank-STR:7820
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