Structural studies of an acidic polysaccharide from Ocimum basilicum seeds

Yernool V. Anjaneyalu, Channe Gowda

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

An acidic polysaccharide isolated from the seeds of Ocimum basilicum by DEAE-cellulose fractionation was ∼92% pure, having an associated glucan impurity (∼8%). The polysaccharide is composed of d-xylose, l-arabinose, l-rhamnose, and d-galacturonic acid in the molar ratios 15:9:7:12, together with traces or galactose and glucose. Methylation analysis indicated that the polysaccharide contained a (1→4)-linked xylan backbone carrying branch-points at C-2 and C-3 of the xylosyl residues, and revealed the structural features of the side chains. Periodateoxidation and Smith-degradation studies support the results of methylation analysis.

Original languageEnglish (US)
Pages (from-to)251-256
Number of pages6
JournalCarbohydrate Research
Volume75
Issue numberC
DOIs
StatePublished - Jan 1 1979

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

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