STRUCTURAL DETTERMINATION OF SULFATED POLYSACCHARIDE FROM RED SEAEEED ACANTHOPHORA SPICIFERA

Thuy Thi Thu Thanh, Thu Thi Minh Quach, Thuan Thi Nguyen, Van Thi Thanh Tran, Xuan Thi Thanh Do, Cuong Duc Ho

Abstract


In this work, the red seaweed Acanthophora spicifera was submitted to aqueous  extraction of polysaccharide and the yield was 12.6% based on dried seaweed weight. HPAEC, GPC, IR and NMR methods were used for structural determination of the polysaccharide. The results showed that the polysaccharide was composed of  rhamnose, galactose, xylose, manose, glucose,  monomer ratio of Gal : Xyl : Glc : Rham : Man equal to 20.9 : 2.84. 0.57 : 0.16; sulfate content 25.6%w with a  molecular weight of 1327500 g/mol. The following repeating structure →4)-α-Gal6S-(1→3)-β-Gal-(1→ was found for this polysaccharide. 


Keywords


red seaweed, Acanthophora spicifera, polysaccharide, structure

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References


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DOI: https://doi.org/10.15625/2525-2518/58/6A/15506 Display counter: Abstract : 19 views. PDF : 16 views.

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