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Fucoidans from the brown seaweed Adenocystis utricularis: extraction methods, antiviral activity and structural studies.
The brown seaweed Adenocystis utricularis (family Adenocystaceae, order Ectocarpales sensu lato) was extracted in parallel with three solvents usually utilized for obtaining fucoidans: distilledExpand
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The antiviral activity of sulfated polysaccharides against dengue virus is dependent on virus serotype and host cell.
Two homogeneous sulfated polysaccharides obtained from the red seaweeds Gymnogongrus griffithsiae and Cryptonemia crenulata, the kappa/iota/nu carrageenan G3d and the dl-galactan hybrid C2S-3, wereExpand
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Isolation, chemical investigation and antiviral activity of polysaccharides from Gracilaria corticata (Gracilariaceae, Rhodophyta).
Polysaccharides were sequentially extracted from the agarophyte Gracilaria corticata. Chemical analysis combined with infrared spectroscopy showed that the cold water extracted material consistsExpand
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In vitro anti-herpetic activity of sulfated polysaccharide fractions from Caulerpa racemosa.
A sulfated polysaccharide fraction was isolated from the hot water extract of the green alga Caulerpa racemosa and designated HWE. This polymer, which contained galactose, glucose, arabinose andExpand
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Structure and antiviral activity of sulfated fucans from Stoechospermum marginatum.
A sulfated fucan containing fraction (SmWE) was isolated from water extract of the brown seaweed Stoechospermum marginatum collected from the Arabian Sea. Anion exchange chromatography of the crudeExpand
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Antiherpetic and anticoagulant properties of carrageenans from the red seaweed Gigartina skottsbergii and their cyclized derivatives: correlation between structure and biological activity.
The antiviral activity against herpes simplex virus types 1 and 2 of kappa/l-, partially cyclized mu/v-, and lambda-carrageenans isolated from the red seaweed Gigartina skottsbergii and theirExpand
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Chemical structure and antiviral activity of the sulfated heterorhamnan isolated from the green seaweed Gayralia oxysperma.
A homogeneous sulfated heterorhamnan was obtained by aqueous extraction, then by ultrafiltration from the green seaweed Gayralia oxysperma. Besides alpha-L-rhamnose it contains glucuronic andExpand
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Structural Features and Antiviral Activity of Sulphated Fucans from the Brown Seaweed Cystoseira Indica
Natural compounds offer interesting pharmacological perspectives for antiviral drug development. In this study, we have analysed sulphated-fucan-containing fractions isolated from the brown seaweedExpand
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The structure of the agaran sulfate from Acanthophora spicifera (Rhodomelaceae, Ceramiales) and its antiviral activity. Relation between structure and antiviral activity in agarans.
The sulfated agaran isolated by water extraction from the red seaweed, Acanthophora spicifera (Rhodomelaceae, Ceramiales), is made up of A-units highly substituted with sulfate groups on C-2Expand
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Novel DL-Galactan Hybrids from the Red Seaweed Gymnogongrus Torulosus are Potent Inhibitors of Herpes Simplex Virus and Dengue Virus
A novel series of DL-galactan hybrids extracted from the red seaweed Gymnogongrus torulosus, was evaluated for its in vitro antiviral properties against herpes simplex virus type 2 (HSV-2) and dengueExpand
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