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A UHPLC method for the simultaneous determination of multiple constituents in QingJinHuaTan Decoction was established. The separation was performed on a Waters cortecs T3 column (150 mm×2.1 mm, 1.6 μm); the mobile phase was acetonitrile-water (containing 0.04% phosphoric acid) with gradient elution at a flow rate of 0.30 mL·min-1, the column temperature at 25℃ and the wavelengths at 238 nm and 280 nm. The results showed that all peaks were well separated and all components had a good linear relationship in the investigative range, (r > 0.999). The repeatability and stability were good and the recovery was between 92.5%-104.7%. The method is simple, accurate and reliable and provides a basis for quality control of QingJinHuaTan Decoction and for further development of methods for its standardization.
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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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