Two gallates from Quercus glauca

Sheu Shiow-Yunn, Hsu Feng-Lin, Lin Yu-Chan

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Two novel phenol glucoside gallates, querglanin and isoquerglanin, were isolated from the leaves of Quercus glauca. From chemical and spectroscopic evidence, they were characterized as 2-iso-propyl-4-hydroxyl-5-methyl phenol 1-O-β-d(6′-O-galloyl)glucopyranoside and 2-iso-propyl-4-hydroxyl-5-methyl phenol 1-O-β-d-(3′-O-galloyl)glucopyranoside, respectively. In addition, the occurrence of seven known flavonoids was demonstrated.

Original languageEnglish
Pages (from-to)2465-2468
Number of pages4
Issue number7
Publication statusPublished - Jul 1992


  • 2-iso-propyl-4-hydroxyl-5-methyl phenol 1-O-β-d-(3′-O-galloyl)glucopyranoside
  • 2-iso-propyl-4-hydroxyl-S-methyl phenol 1-β-d-(6′-O-galloyl)glucopyranoside
  • Fagaceae
  • Quercus glauca
  • isoquerglanin.
  • phenol glycoside gallates
  • querglanin

ASJC Scopus subject areas

  • Horticulture
  • Molecular Biology
  • Biochemistry
  • Plant Science


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