Publicado 12 números por año
ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344
IF:
1.2
5-Year IF:
1.4
Immediacy Index:
0.3
Eigenfactor:
0.00066
JCI:
0.34
SJR:
0.274
SNIP:
0.41
CiteScore™::
2.8
H-Index:
37
Indexed in
Characterization of Polysaccharides from the Fruiting Bodies of Two Species of Genus Ganoderma (Agaricomycetes) and Determination of Water-Soluble β-D-Glucan Using High-Performance Liquid Chromatography
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SINOPSIS
Molecular weight (Mw) distributions of polysaccharides from the fruiting bodies of different Ganoderma lucidum strains and G. sinense were investigated and compared using high-pressure size exclusion chromatography/multiangle laser light scattering/refractive index analysis. Results showed that there were big differences in the Mw distributions and characteristics of polysaccharides from 2 species of Ganoderma. All tested G. lucidum materials exhibited similar polysaccharide distributions and similar characteristics for each fraction. The fraction with highest Mw (peak 1) was identified as β-(1→3)-linked D-glucan with (1→6)-β-D-glucopyranosyl side branches. G. sinense fruiting bodies did not include the β-D-glucan when compared with G. lucidum. A high-pressure size exclusion chromatography method was developed and applied to determine the amount of high-Mw β-D-glucan in G. lucidum fruiting bodies. Results indicated that there was no obvious relationship between β-D-glucan content and the genetic similarity of G. lucidum. The strain labeled "Longzhi no. 2" was determined to possess the largest amount of β-D-glucan: 8.2 mg/mL based on the dry weight of fruiting bodies. The β-D-glucan content in the hot water extract of Longzhi no. 2 reached 17.05%. For the "Hunong no. 1" strain, the β-D-glucan content in log-cultivated fruiting bodies was much higher than that in bag-cultivated ones. This method could be used to improve quality control of polysaccharides in G. lucidum.
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