Isolation and structure analysis of a glucomannan from the seeds of Libyan dates

O. Ishrud, M. Zahid, V. U. Ahmad, Y. Pan

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Abstract

Polysaccharides extracted from seeds of Libyan dates with hot ethanol 80% (FI) and 0.1 M phosphate solution (FII) were fractionated and purified by ion-exchange and gel-filtration chromatography. According to methylation and hydrolysis analysis, the main chains of FI and FII consisted of (1→4)-linked glucomannan; only traces of branched sugar residues were detected. This is the first report on the isolation of glucomannan from date seeds.

Original languageEnglish (US)
Pages (from-to)3772-3774
Number of pages3
JournalJournal of Agricultural and Food Chemistry
Volume49
Issue number8
DOIs
StatePublished - Sep 17 2001

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Keywords

  • Glucomannan
  • Libyan dates (Phoenix dactylifera)
  • Polysaccharides
  • Seeds

ASJC Scopus subject areas

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

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