期刊
JOURNAL OF APPLIED PHYCOLOGY
卷 20, 期 6, 页码 1013-1020出版社
SPRINGER
DOI: 10.1007/s10811-007-9295-z
关键词
Anticoagulant activity; Carrageenan; NMR; FT-IR; Tichocarpus crinitus
资金
- Program for Fundamental Research of the Presidium of the Russian Academy of Sciences
- Presidium of Far East Branch of RAS
- FEB-UB RAS and Scientific School of Academician Ovodov [5796.2006.5]
Sulfated polysaccharides occurring in the red algae Tichocarpus crinitus cell wall were fractionated and purified. NMR and FT-IR spectroscopy analyses revealed that the non-gelling fraction contained a sulfated galactans having a new carrageenan-like structure. It is built with alternatively linked 1,3-linked beta-D-galactopyranosyl-2,4-disulphates and 1,4-linked 3,6-anhydro-alpha-D-galactopyranosyl residues. Minor amounts of its biosynthetic precursor were detected in a water-extracted specimen. Brief analysis of rheological and biological properties of the non-gelling fraction was carried out. The carrageenan-like polysaccharide from T. crinitus displayed the properties of random coil polymer at high temperature, and possesses high anticoagulant activity at low concentration.
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