Isolation and structural elucidation of two new glycosides from sage (Salvia officinalis L.)

Mingfu Wang, Hiroe Kikuzaki, Nanqun Zhu, Sengming Sang, Nobuji Nakatani, Chi Tang Ho

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Six compounds, 1-O-(2,3,4-trihydroxy-3-methyl)butyl-6-O-feruloyl-β-D- glucopyranoside, ethyl β-D-glucopyranosyl tuberonate, p-hydroxybenzoic acid, (-)-hydroxyjasmonic acid, caffeic acid, and 4-hydroxyacetophenone 4-O-[5-O- (3,5-dimethoxy-4-hydroxybenzoy])-β-D-apiofrunosy]]-(1→2)-β-D-glu- copyranoside, were isolated from the n-butanol-soluble fraction of sage leaf extracts. Their structures were determined by spectral methods (MS, NMR, and 2D-NMR), and their antioxidant activities were measured. Among them, two new glycosides were elucidated. All of these compounds showed DPPH free radical scavenging activity at the concentration of 30 mM, and caffeic acid was the most active compound.

Original languageAmerican English
Pages (from-to)235-238
Number of pages4
JournalJournal of agricultural and food chemistry
Volume48
Issue number2
DOIs
StatePublished - Feb 2000

ASJC Scopus subject areas

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

Keywords

  • Glycosides
  • Sage
  • Salvia officinalis L.

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