期刊
CARBOHYDRATE POLYMERS
卷 233, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2020.115849
关键词
Ulva Pertusa; Polysaccharide; Structure; Physicochemical property
资金
- National Key Research and Development Program of China [2017YFC1601900]
A new water-soluble polysaccharide UPP was obtained from Ulva Pertusa and its structure was studied. The structural analysis results showed that UPP was composed of eight residues. The bone structure of UPP was -> 4)beta-D-Xylp-(1 -> 4)-alpha-L-Rhap3S(1 -> 3,4)-beta-L-Arap(1 -> 3)-alpha-L-Rhap(1 -> 2,4)-alpha-L-Rhap(1 -> 4)-alpha-D-Galp(1 -> and there were two main branches. The branch structure at the 3-position of 1,3,4-beta-L-Arap was -> 3,4)-beta-L-Arap(1 -> 4)-beta-D-Glcp3Me(1 -> 4)- beta-D-GlcpA(1 -> and the branch structure at 2-position of 1,2,4-alpha-L-Rhap was -> 4)-beta-D-GlcpA(1 -> 4)- beta-D-Xylp(1 ->. In addition, the physicochemical property analysis showed that UPP was a semicrystalline polymer and there was no triple-helical structure. This structure analysis of UPP will be beneficial for future research on the algal polysaccharides.
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