Picrasins,simaroubolides of Japanese quassia tree Picrasma quassioides |
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| Authors: | Hiroshi Hikino Tomihisa Ohta Tsunematsu Takemoto |
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| Institution: | Pharmaceutical Institute, Tohoku University, Aoba-yama, Sendai, Japan |
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| Abstract: | From the Japanese quassia tree, Picrasma quassioides (Simaroubaceae), new bitter principles (simaroubolides), picrasin A, B, C, D, E, F and G have been isolated whose stereostructures have been elucidated on the basis of chemical and physical evidence. The relative bitterness of the picrasins and the related simaroubolides has been measured. |
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| Keywords: | Simaroubaceae Japanese quassia tree simaroubolides picrasins |
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