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The n-butanol fraction of Curcuma phaeocaulis was separated and purified using a combination of chromatographic techniques, including reversed-phase medium-pressure liquid chromatography, gel column chromatography, silica gel column chromatography, preparative thin-layer chromatography and reversed-phase semi-preparative high-performance liquid chromatography. The structures of the isolated compounds were elucidated through comprehensive spectroscopic analyses, including high-resolution mass spectrometry, infrared spectroscopy, and nuclear magnetic resonance spectroscopy. Finally, three ionone glycosides were isolated from C. phaeocaulis and identified as (6Z, 9S)-4, 6-megastigmadien-3-one-9-O-β-D-glucopyranoside (1), (3R, 9S)-megastigman-5-en-3, 9-diol 3-O-β-D-glucopyranoside (2), and blumenol C glucoside (3). Notably, compound 1 was a new ionone, while compounds 2 and 3 were isolated from C. phaeocaulis for the first time. Subsequent evaluation of cytotoxic and anti-inflammatory activities revealed that all three compounds exhibited cytotoxic and anti-inflammatory effects.
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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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