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By means of several chromatographic techniques, such as silica gel, Sephadex LH-20 and semi-preparative high performance liquid chromatography (HPLC), two caryolane-type sesquiterpenoids were isolated from the petroleum ether soluble fraction of the aerial parts of Pogostemon cablin (Blanco) Benth., and their structures were identified as caryolanol A (1) and 1α-ethoxy-9α-hydroxy-senecrassane (2) by various spectroscopic methods, including NMR and HR-ESI-MS. Compounds 1 and 2 were a pair of C5 epimers, and compound 1 was a new compound. In addition, the anti-influenza virus activity of compounds 1 and 2 was evaluated.
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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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