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<p>A water-soluble polysaccharide based on glucoarabinogalactan GAG-Sa was isolated from the aerial part of <i>Scutellaria adenostegia</i>. The monosaccharide composition of the glucoarabinogalactan included arabinose, glucose, and galactose in a 1.0:10.9:7.6 mole ratio. GAG-Sa was characterized as a branched polysaccharide with a main chain of <i>β</i>-1,6-bound <i>β</i>-D-galactopyranose residues. The side chains of GAG-Sa consisted of 1,3-bound <i>β</i>-D-galactopyranose, α-D-glucopyranose, and <i>α</i>-L-arabinofuranose residues. The aqueous extract of the aerial part of <i>S</i>. <i>adenostegia</i> was shown to have anti-inflammatory activity.</p>

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Polysaccharides from Scutellaria. I. Structure of Glucoarabinogalactan from S. adenostegia

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • A. A. Siddikova,
  • R. K. Rakhmanberdyeva,
  • M. Kh. Malikova

摘要

A water-soluble polysaccharide based on glucoarabinogalactan GAG-Sa was isolated from the aerial part of Scutellaria adenostegia. The monosaccharide composition of the glucoarabinogalactan included arabinose, glucose, and galactose in a 1.0:10.9:7.6 mole ratio. GAG-Sa was characterized as a branched polysaccharide with a main chain of β-1,6-bound β-D-galactopyranose residues. The side chains of GAG-Sa consisted of 1,3-bound β-D-galactopyranose, α-D-glucopyranose, and α-L-arabinofuranose residues. The aqueous extract of the aerial part of S. adenostegia was shown to have anti-inflammatory activity.