DU Gang,LIU Mei-ling,HUANG Lu-yao,et al.Quality Evaluation of Tremella fuciformis Polysaccharides from Different Sources[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(19):210-216.
DU Gang,LIU Mei-ling,HUANG Lu-yao,et al.Quality Evaluation of Tremella fuciformis Polysaccharides from Different Sources[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(19):210-216. DOI: 10.13422/j.cnki.syfjx.20201749.
Quality Evaluation of Tremella fuciformis Polysaccharides from Different Sources
To establish a method for the determination of polysaccharide and monosaccharide composition of
Tremella fuciformis
and to analyze the difference of polysaccharide content in
T. fuciformis
from different sources and cultivation methods
so as to provide reference for the quality determination.
Method
2
High performance size exclusion chromatography coupled with multi-angle laser light scattering and refractive index detection (HPSEC-MALLS-RID) was employed to determine the content and relative molecular weight distribution of
T. fuciformis
polysaccharides. The monosaccharide types and proportions of
T. fuciformis
polysaccharides were analyzed by 1-phenyl-3-methyl-5-pyrazolone (PMP) precolumn derivative high performance liquid chromatography (HPLC).
Result
2
The weight-average relative molecular weight (
M
w
) and the content of polysaccharides in
T. fuciformis
cultivated by cut-log from different sources were distributed in 2.618×10
6
-3.503×10
6
Da and 307.12-609.06 g·kg
-1
respectively. These two parameters of polysaccharides in
T. fuciformis
with substitute cultivation from different sources were 2.723×10
6
-3.886×10
6
Da and 366.38-647.37 g·kg
-1
respectively. The
T. fuciformis
polysaccharides mainly consisted of mannose
glucuronic acid
glucose
galactose
xylose and fucose
their ratios in samples with cut-log and substitute cultivation were 4.4∶0.7∶1.0∶0.2∶1.4∶1.6 and 4.4∶0.8∶1.0∶0.1∶1.5∶1.5
respectively. The contents of the above six monosaccharides in 39 batches of
T. fuciformis
from different sources were mannose of 36.71-191.31 g·kg
-1
glucose of 10.46-76.10 g·kg
-1
galactose of 1.00-6.72 g·kg
-1
xylose of 16.73-70.54 g·kg
-1
glucuronic acid of 9.74-32.12 g·kg
-1
fucose of 17.16-68.20 g·kg
-1
.
Conclusion
2
The content of polysaccharides in
T. fuciformis
from different sources has a certain difference
the developed method can be used as a routine method for the quality evaluation of polysaccharides in
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