A sulfated galactan from the red seaweed Hypnea charoides.
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چکیده
منابع مشابه
Structural analysis and antiviral activity of a sulfated galactan from the red seaweed Schizymenia binderi (Gigartinales, Rhodophyta).
Aqueous extraction of gametophytic Schizymenia binderi afforded a polysaccharide composed of galactose and sulfate groups in a molar ratio of 1.0:0.89 together with uronic acids (6.8 wt%) and minor amounts of other neutral sugars. Alkali-treatment of the polysaccharide afforded a polysaccharide devoid of 3,6-anhydrogalactose. 13C NMR spectroscopy of the desulfated alkali-treated polysaccharide ...
متن کاملAntibacterial and antioxidant activities of the red algae Hypnea charoides from coasts of Chabahar
Background and objectives: Marine macro algae are one of the most economically important resources of the oceans which contain important biologically active secondary metabolites. So they can be widely used in various applications. Due to the limited research work on the bioactive metabolites from Iranian algae, the red seaweed, Hypnea charoides, collected from interti...
متن کاملMinor polysaccharidic constituents from the red seaweed Hypnea musciformis. Appearance of a novel branched uronic acid.
Two polysaccharide fractions isolated from Hypnea musciformis after room temperature- and hot water extraction, soluble after KCl precipitation of the more abundant carrageenans, were subfractionated by ion-exchange chromatography eluting with increasing concentrations of NaCl. The lowest NaCl concentration (0.2M) eluted agarans. The dl-hybrids (or mixtures) eluted at intermediate concentration...
متن کامل[Neuroprotective effects of sulfated polysaccharides from seaweed].
Currently, neurodegenerative diseases (NDD) occupy a significant place in the structure of disease of the elderly, which dictates the need to find new and effective treatment and prevention of this pathology. At the heart of NDD development is a violation of the metabolism and the conformational change of cellular proteins with subsequent accumulation and aggregation of their in certain groups ...
متن کاملSulfated xylomannans from the red seaweed Sebdenia polydactyla: structural features, chemical modification and antiviral activity.
BACKGROUND Many viruses display affinity for cell surface heparan sulfate proteoglycans with biological relevance in virus entry. This raises the possibility of the application of sulfated polysaccharides in antiviral therapy. METHODS In this study, we analysed polysaccharide fractions isolated from Sebdenia polydactyla. RESULTS The purified xylomannan sulfate and its further sulfated deriv...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1974
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.38.2569