The bitter iridoids from Viburnum urceolatum |
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| Authors: | Tsunao Hase Hideki Takao Tetsuo Iwagawa |
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| Affiliation: | Department of Chemistry, Faculty of Science, Kagoshima University, Korimoto, Kagoshima 890, Japan |
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| Abstract: | Four new bitter iridoid glucosides, including three bis-iridoids, were isolated from Viburnum urceolatum and their structures elucidated. They are composed of loganin or deoxyloganin as the aglucone esterified with either aromatic glucoside or with glucose in the 4-position. |
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| Keywords: | Caprifoliaceae iridoids urceloatosides A-D bitter components. |
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