Chemical constituents of Nepalese propolis (II) |
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Authors: | Shrestha Suraj Prakash Narukawa Yuji Takeda Tadahiro |
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Institution: | Kyoritsu University of Pharmacy, Minato-ku, Tokyo, Japan. |
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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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