Chemical constituents of Nepalese propolis (II)

Chem Pharm Bull (Tokyo). 2007 Jun;55(6):926-9. doi: 10.1248/cpb.55.926.

Abstract

A novel flavanonol (1), three new isoflavones (2-4) and a new flavan-3-ol (5) were isolated along with ten other known flavonoids (6-15) from the methanolic extract of propolis collected from Chitwan, Nepal. Their structures were determined on the basis of spectral analysis.

MeSH terms

  • Magnetic Resonance Spectroscopy
  • Models, Molecular
  • Propolis / chemistry*
  • Spectrometry, Mass, Fast Atom Bombardment
  • Spectrophotometry, Ultraviolet

Substances

  • Propolis