Characterization of polysaccharides extracted from brown seaweeds

@article{Rioux2007CharacterizationOP,
  title={Characterization of polysaccharides extracted from brown seaweeds},
  author={Laurie-Eve Rioux and Sylvie L. Turgeon and Martin Beaulieu},
  journal={Carbohydrate Polymers},
  year={2007},
  volume={69},
  pages={530-537}
}
Abstract The structural characteristics of polysaccharides extracted from Quebec’s seaweed have not been fully established to date. Ascophyllum nodosum, Fucus vesiculosus and Saccharina longicruris were studied in this research. The seaweeds were treated with selective solvents to extract laminaran and fucoidan in mixture (fraction A), fucoidan (fraction B), and alginate (fraction C). Analyses were performed to determine their content in sulphates, total sugars and uronic acids. H NMR was… Expand

Figures and Tables from this paper

Polysaccharides composition from tropical brown seaweeds
TLDR
The Fourier transform infrared (FT‐IR) spectra of fucoidan extracted from species studied indicated that the majority of sulfate groups are located at C‐4 and to a lesser extent at C-2 and/or C‐3 of the fucopyranose residues, which could be advantageous since several therapeutic effects have been reported for fucoidans with similar characteristics. Expand
Effect of season on the composition of bioactive polysaccharides from the brown seaweed Saccharina longicruris.
TLDR
The structural features of laminarans and galactofucans extracted from the brown seaweed Saccharina longicruris were determined for four harvest periods and an important variation in the amount of L-fucose and D-galactose was observed for crude and fractionated galact ofucans. Expand
Structure and antitumour activity of fucoidan isolated from sporophyll of Korean brown seaweed Undaria pinnatifida
TLDR
The Miyeokgui fucoidan showed antitumour activity against PC-3 (prostate cancer), HeLa (cervical cancer), A549 (alveolar carcinoma), and HepG2 (hepatocellular carcinoma) cells, in a similar pattern to that of commercial fucoidy. Expand
Characterization of Fucoidan Extracted from Binuangeun ’ s Brown Seaweeds
Abstract— The objective of this research is to characterize of fucoidan extracted from 3 species of brown seaweeds from the same habitat. Those seaweeds are Sargassum sp, Tubinaria sp and Padina sp.Expand
Extraction of Fucoidan from Turbinaria decurrens and the Synthesis of Fucoidan-Coated AgNPs for Anticoagulant Application
Brown seaweeds usually contain alginate as a major polymer. The second major sulfated polymer in brown seaweeds is fucoidan, which has huge potential in medicinal applications. In this study, theExpand
Chemical composition and antioxidant activity of sulphated polysaccharides extracted from Fucus vesiculosus using different hydrothermal processes
Sulphated polysaccharides (SP) were extracted from Fucus vesiculosus seaweed by using two different hydrothermal processes: microwave-assisted extraction (MAE) and autohydrolysis (AH). The extractionExpand
Characterization of Polysaccharides Extracted from a Cultivated Brown Alga Costaria costata During the Harvest Period
In this study, variations in composition and properties of polysaccharides isolated from brown algae Costaria costata were analyzed. The algae were collected from May to July of the harvest period.Expand
Structure characterization and antioxidant activity of fucoidan isolated from Undaria pinnatifida grown in New Zealand.
TLDR
Fucoidan samples from New Zealand exhibited secondary antioxidant capacity close to that of butylated hydroxyanisole (BHA), with low-molecular-weight fucoidan had significantly higher capacity than that of BHA. Expand
EXTRACTION AND CHARACTERIZATION OF FUCOIDAN FROM SIX BROWN MACROALGAE
The content and composition of fucoidan in six brown macroalgae were investigated. The influence of different washing steps and two types of extraction methods on the yield and composition ofExpand
Chemical and Biological Properties of Sodium Alginates Isolated from Tow Brown Algae Dictyopteris Membranaceae and Padina Pavonica
Polysaccharides are known to have interesting biological activities. To date polysaccharides extracted from Tunisian seaweed have not been fully studied. In this paper we tried to isolate sodiumExpand
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 46 REFERENCES
Fractionation and analysis of fucans from brown algae
TLDR
Cell walls were isolated from the brown algae Pelvetia canaliculata, Fucus vesiculosus, Sargassum muticum (Fucales) and Laminaria digitata (Laminariales) and then submitted to sequential chemical extraction to identify fucans present in a continuous spectrum of compounds. Expand
Fucoidans from the brown seaweed Adenocystis utricularis: extraction methods, antiviral activity and structural studies.
TLDR
Fractionation with the cationic detergent cetrimide has allowed achieving a better separation of the galactofucan and uronofucoidan components, which show a high inhibitory activity against herpes simplex virus 1 and 2, with no cytotoxicity. Expand
Carbohydrates of the brown seaweeds himanthalia lorea, bifurcaria bifurcata, and Padina pavonia
Abstract Mannitol constitutes the major carbohydrate of low molecular weight in the brown seaweeds named in the title; glucose is also present in Himanthalia, and glucose and myo-inositol wereExpand
Structural studies on fucoidans from the brown seaweed Sargassum stenophyllum.
TLDR
Structural studies of one fucoidan from each set of fucoidans suggest that these products have a general basic structure that has a formal resemblance to that of the fucosylated chondroitin sulfates from the body wall of sea cucumbers. Expand
Further data on the structure of brown seaweed fucans: relationships with anticoagulant activity.
The composition, molecular weight (MW), anticoagulant activity and nuclear magnetic resonance spectra of various low-molecular-weight fucans (LMWFs) obtained by partial hydrolysis or radicalExpand
A fucoidan fraction from Ascophyllum nodosum.
TLDR
Combination of methylation analysis, Smith degradation, FTIR and NMR spectroscopy on the native and the de-sulfated polymers demonstrated that the fucoidan consisted of a highly branched core region with primarily alpha-1-->3)-linked fucosyl residues and a few alpha-(1-->4) linkages. Expand
Potential antioxidant capacity of sulfated polysaccharides from the edible marine brown seaweed Fucus vesiculosus.
TLDR
This fraction showed the highest potential to be antioxidant by the ferric reducing antioxidant power (FRAP) assay, followed by the alkali- and water-soluble fractions, and potentially could be used as natural antioxidants by the food industry. Expand
A disaccharide repeat unit is the major structure in fucoidans from two species of brown algae.
TLDR
The predominant repeating structure of a fraction of the fucoidan from Ascophyllum nodosum prepared by acid hydrolysis and centrifugal partition chromatography (LMWF) has in vitro anticoagulant activity, indicating that the above structure may be partly responsible for biological activity in the nativefucoidan. Expand
Seaweed liquid fertilizer fromAscophyllum nodosum contains elicitors of plantd-glycanases
TLDR
The structure of the major component contained in a liquid seaweed extract prepared from Ascophyllum nodosum (Phaeophyta, Fucales) was investigated and derivatives of the branched β-d-(1→3) glucan known as laminaran were found capable of eliciting d-glycanase activities in Rubus fruticosus suspended-cell cultures. Expand
Chemical and physico‐chemical characterisation of fibres from Laminaria digitata (kombu breton): A physiological approach
The content and chemical composition of soluble and insoluble dietary fibres from the brown marine alga Laminaria digitata (kombu breton) were determined. Two enzymic-gravimetric methods were used toExpand
...
1
2
3
4
5
...