Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Notes
Chemical Constituents of Nepalese Propolis (II)
Suraj Prakash ShresthaYuji NarukawaTadahiro Takeda
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2007 Volume 55 Issue 6 Pages 926-929

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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.

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© 2007 The Pharmaceutical Society of Japan
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