Chemical structure and antiviral activity of the sulfated heterorhamnan isolated from the green seaweed Gayralia oxysperma.

@article{Cassolato2008ChemicalSA,
  title={Chemical structure and antiviral activity of the sulfated heterorhamnan isolated from the green seaweed Gayralia oxysperma.},
  author={Juliana Emanuela Fogari Cassolato and Miguel Daniel Noseda and Carlos Alberto Pujol and Franciane Maria Pellizzari and Elsa B Damonte and Maria Eug{\^e}nia Rabello Duarte},
  journal={Carbohydrate research},
  year={2008},
  volume={343 18},
  pages={3085-95}
}
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 and galacturonic acids, xylose and glucose. The structure was established by methylation analyses of the carboxyl-reduced, carboxyl-reduced/desulfated, carboxyl-reduced/Smith-degraded, and carboxyl-reduced/Smith-degraded/desulfated products and 1D, 2D NMR spectroscopy analyses. The heterorhamnan backbone is… CONTINUE READING

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