Structural elucidation of polysaccharide containing 3-O-methyl galactose from fruiting bodies of Pleurotus citrinopileatus

Authors
He, Pengfei
Zhang, Anqiang
Zhou, Saijing
Zhang, Fuming
Linhardt, Robert J.
Sun, Peilong
ORCID
https://orcid.org/0000-0003-2219-5833
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Other Contributors
Issue Date
2016-01-01
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
Degree
Terms of Use
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Full Citation
Structural elucidation of polysaccharide containing 3-O-methyl galactose from fruiting bodies of Pleurotus citrinopileatus, P. He, A. Zhang, S. Zhou, F. Zhang, R. J. Linhardt, P. Sun, Carbohydrate Research, 434, 72-66, 2016.
Abstract
A water-soluble polysaccharide containing 3-O-methyl galactose (PCP60W) was isolated from fruiting bodies of Pleurotus citrinopileatus and purified by anion-exchange and gel column chromatography. This polysaccharide has an average molecular weight of 2.74 × 104 Da and its structure was elucidated using monosaccharide composition and methylation analysis combined with one- and two-dimensional (COSY, TOCSY, NOESY, HMQC and HMBC) NMR spectroscopy. PCP60W was shown to be a linear partially 3-O-methylated α-galactopyranan comprised of 6-linked galactose, 6-linked 3-O-methyl galactose and 4-linked glucose in a ratio of 3.0:1.0:0.6. This work provides additional evidence for the view that 3-O-methyl galactose is common to the genus Pleurotus.
Description
Carbohydrate Research, 434, 72-66
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Department
The Linhardt Research Labs.
The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)
Publisher
Relationships
The Linhardt Research Labs Online Collection
Rensselaer Polytechnic Institute, Troy, NY
Carbohydrate Research
https://harc.rpi.edu/
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