Distribution of unsaturated aliphatic acid amides in japanese Zanthoxylum species |
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Authors: | Ichiro Yasuda Koichi Takeya Hideji Itokawa |
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Institution: | 1. Tokyo Metropolitan Research Laboratory of Public Health, Hyakunincho, Shinjuku, Tokyo, Japan;2. Tokyo College of Pharmacy, Horinouchi, Hachioji, Tokyo, Japan |
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Abstract: | Seven species and two varieties of Zanthoxylum in Japan were investigated for unsaturated aliphatic acid amides. In addition to the known amides α-sanshoöl, γ-sanshoöl and hydroxy-γ-sanshoöl, a new compound, hydroxy-α-sanshoöl, was isolated and established by chemical and spectroscopic evidence. The compounds, corresponding to hydroxyl derivatives of the amides in the barks, commonly existed in the pericarps of all collected materials. Japanese Zanthoxylum species were divided chemotaxonomically into two taxa. These taxa ditter from the two assigned on the basis of botanical classification. |
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Keywords: | Zanthoxylum planispinum Z piperitum Z piperitum f inerme Z piperitum f brevispinosum Z beecheyanum Z ailanthoides Z inerme Z fauriei Z schinifolium Rutaceae α-sanshoöl hydroxy-α-sanshoöl γ-sanshoöl hydroxy-γ-sanshoöl unsaturated aliphatic acid amide Fagara |
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