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Three compounds were obtained from the crude extract of the fermentation broth of endophyte Myrothecium roridum IFB-E008 in Trachelospermum jasminoides by silica gel column chromatography, Sephadex LH-20 gel column chromatography and high performance liquid chromatography. They were determined as 3′-iso-isororidin A (1), verrol (2) and N-acetyltryptamine (3), respectively, through HR-MS, 1D and 2D NMR and literature comparison. 3′-iso-isororidin A (1) is a new trichothecene macrolide that has never been reported in the literature. The in vitro cytotoxicity assay showed that compound 2 had certain cytotoxicity against the human gastric cell line SGC-7901 with half inhibition concentration (IC50) of 59.79 μg·mL-1 (158.1 μmol·L-1), while IC50 value of the positive control cisplatin was 6.58 μg·mL-1 (21.9 μmol·L-1).
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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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