Identification of 3-hydroxyoctyl β-d-glucoside and absolute configuration of free and bound octane-1,3-diol in apple fruit

Wilfried Schwab, Gerhard Scheller, Doris Gerlach, Peter Schreier

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

In an extract obtained from neutralized apple juice, cv. Jonathan, by LC separation on Amberlite XAD resin using ethyl acetate caution, 3-hydroxyoctyl βd-glucoside was identified by HRGC, HRGC-MS and HRGC-FTIR after per-O-methylation. Chiral evaluation of free and glucosidically bound octane-1,3-diol was performed by HRGC after derivatization with Mosher's reagent revealing the occurrence of optically pure diol in apple fruit. By means of comparison of optical rotation of the 1,3-diacetoxy derivative with previously published data, (R)-(+)-configuration was evaluated.

Original languageEnglish
Pages (from-to)157-160
Number of pages4
JournalPhytochemistry
Volume28
Issue number1
DOIs
StatePublished - 1989
Externally publishedYes

Keywords

  • 3-hydroxyoctyl β-d-glucoside
  • Malus sylvestris
  • Rosaceae
  • apple
  • free and bound (R)-(+)-octane-1,3-diol.
  • fruit

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