Chemical constituents of Nepalese propolis (II).
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.
Shrestha
Suraj Prakash
SP
Kyoritsu University of Pharmacy, Minato-ku, Tokyo, Japan.
Narukawa
Yuji
Y
Takeda
Tadahiro
T
D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D011429:Propolis / Q000737:chemistry*; D016339:Spectrometry, Mass, Fast Atom Bombardment; D013056:Spectrophotometry, Ultraviolet
D011429:Propolis