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Chemical constituents from the ethanol extract of Radix Angelicae Pubescentis was isolated and purified through Diaion HP-20 macroporous, silica gel column chromatography, gel filtration over Sephadex LH-20 and preparative HPLC. Two new sesquiterpenoid derivatives were identified as angesesquid A (1) and angesesquid B (2), and their structures were determined. In vitro degeneration model of primary rat disc chondrocytes was used to evaluate the anti-inflammatory activity of these two compounds. The results showed that compounds 1 and 2 had no anti-proliferation effect. Both compounds inhibited the release of NO, but had no inhibitory activity for the release of PGE2. This finding implies that both of these two new sesquiterpenoids could moderately inhibit the inflammatory reaction to some extent.
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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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