A new flavonol galloylrhamnoside and a new lignan glucoside from the leaves of Koelreuteria henryi Dummer

Zong-Huei Li, Yuan Hsiang Chiang, Chin Hui Chen, Pi Yu Chen, Ching Kuo Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A new flavonol galloylrhamnoside, kaempferol 3-O-(2′,3′-di-O- galloyl)-α-l-rhamnopyranoside, and a new lignan glycoside, hinokinin 7-O-β-d-glucopyranoside were isolated from the leaves of Koelreuteria henryi, along with 18 known compounds, including six flavonol glycosides (3-8), three lignans (9-11), four chlorophyll derivatives (12-15), two steroids (16, 17), and three aromatic compounds (18-20). The structures were determined on the basis of spectral analysis and chemical evidence. The scavenging effect of 1-8 and 20 on the stable free radical 1,1-diphenyl-2-picrylhydrazyl was examined. Compounds 1, 5, 6, and 20 showed more potent activity than that of trolox.

Original languageEnglish
Pages (from-to)209-214
Number of pages6
JournalJournal of Natural Medicines
Volume63
Issue number2
DOIs
Publication statusPublished - Apr 2009

Fingerprint

Lignans
Glucosides
Glycosides
Aromatic compounds
Scavenging
Chlorophyll
Spectrum analysis
Free Radicals
Steroids
Derivatives
3-hydroxyflavone
compound 18
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
hinokinin
2,2-diphenyl-1-picrylhydrazyl
kaempferol
compound 20

Keywords

  • Flavonol galloylrhamnoside
  • Koelreuteria henryi
  • Lignan glycoside
  • Radical-scavenging effect
  • Sapindaceae

ASJC Scopus subject areas

  • Organic Chemistry
  • Drug Discovery
  • Pharmaceutical Science
  • Complementary and alternative medicine

Cite this

A new flavonol galloylrhamnoside and a new lignan glucoside from the leaves of Koelreuteria henryi Dummer. / Li, Zong-Huei; Chiang, Yuan Hsiang; Chen, Chin Hui; Chen, Pi Yu; Lee, Ching Kuo.

In: Journal of Natural Medicines, Vol. 63, No. 2, 04.2009, p. 209-214.

Research output: Contribution to journalArticle

Li, Zong-Huei ; Chiang, Yuan Hsiang ; Chen, Chin Hui ; Chen, Pi Yu ; Lee, Ching Kuo. / A new flavonol galloylrhamnoside and a new lignan glucoside from the leaves of Koelreuteria henryi Dummer. In: Journal of Natural Medicines. 2009 ; Vol. 63, No. 2. pp. 209-214.
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