Flavonol glycosides from Eschscholtzia californica

Phytochemistry. 1999 Jan;50(2):329-32. doi: 10.1016/s0031-9422(98)00503-2.

Abstract

The aqueous EtOH extract of aerial parts of Eschscholtzia californica Cham. yielded six flavonol 3-O-glycosides including two new compounds: quercetin 3-O-[alpha-rhamnopyranosyl-(1-4)-alpha-rhamnopyranosyl-(1-6)-beta- glucopyranoside] and isorhamnetin 3-O-[alpha-rhamnopyranosyl-(1-4)-alpha-rhamnopyranosyl-(1-6)-beta- glucopyranoside]. Their structures were established on the basis of spectroscopic studies.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Flavonoids / chemistry*
  • Flavonols
  • Glycosides / chemistry
  • Glycosides / isolation & purification*
  • Magnetic Resonance Spectroscopy
  • Mass Spectrometry / methods
  • Molecular Structure
  • Papaver / chemistry*
  • Plants, Medicinal*
  • Spectrophotometry, Ultraviolet

Substances

  • Flavonoids
  • Flavonols
  • Glycosides