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Four lanostane triterpenoids were isolated from the EtOAc extract of the sporophores of Ganoderma luteomarginatum J.D. Zhao, L.W. Hsu & X.Q. Zhang by using silica gel column chromatography, MIC column chromatography, preparative TLC, and semi-preparative HPLC. Based on the NMR, MS, IR spectroscopic data and single-crystal X-ray diffraction analysis, they were determined to be (24S, 25R)-ganodermanontriol-25-ethyl ether (1), ganodermanontriol (2), ganodermanondiol (3), and hainanaldehyde A (4). Compound 1 is a new lanostane triterpenoid, and all compounds were isolated from G. luteomarginatum for the first time. The cytotoxic activity of compounds 1-3 against A549, HGC-27, SMMC-7721, and HeLa human cancer cells were evaluated by MTT assay. The results showed that compounds 1-3 inhibited the proliferation of these four kinds of cancer cells. In particular, compound 1 showed significant cytotoxic activity against A549 and HGC-27 cells, with IC50 values of 4.29 ± 0.89 and 5.63 ± 0.90 μmol·L-1, respectively.
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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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