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Five compounds were isolated from the dichloromethane fraction of a 70% ethanol extract of Epimedium sagittatum Maxim using a combination of chromatography techniques, including silica gel column chromatography, ODS column chromatography, and semipreparative high-performance liquid chromatography techniques. The structures of these five compounds were identified as 5,4′-dihydroxy-3′-prenyl-7-prenyloxyflavanone (1), 5,4′-dihydroxy-7-prenyloxyflavanone (2), 5,7,4′-trihydroxy-3′,8-diprenylflavanone (3), sebacic acid (4), and aurantiamide acetate (5), respectively, based on a comprehensive analysis of their physicochemical properties and spectroscopic data, such as NMR and MS. Notably, compound 1 was found to be a new flavonone compound, while compounds 2-5 were isolated from the Epimedium genus for the first time. Additionally, preliminary investigations indicated that compounds 1 and 3 exhibited potential anti-pulmonary fibrosis activities.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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