Iridoids from the roots of Triosteum pinnatifidum |
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Authors: | Xin Chai Yan-Fang Su Yun-Hui Zheng Shi-Lun Yan Xiao Zhang Xiu-Mei Gao |
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Affiliation: | 1. School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, PR China;2. Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China |
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Abstract: | A chemical investigation of the roots of Triosteum pinnatifidum led to the isolation of 10 iridoids, elucidated as triohimas A–C, naucledal, secologanin dimethyl acetal, grandifloroside, sweroside, loganin, vogeloside and (E)-aldosecologanin. Most of the compounds were derived from loganin or secologanin with a glucose moiety at C-1 position. The results indicate a close relationship between the two genera Triosteum and Lonicera, and support the viewpoint that the iridoids derived from loganin or secologanin could be the chemotaxonomic markers of the Caprifoliaceae family. |
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Keywords: | Triosteum Triosteum pinnatifidum Caprifoliaceae Lonicera Iridoids Iridoid glucosides |
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