Research Article
Ethanol Extract of Cudrania tricuspidata Leaf Ameliorates Hyperuricemia in Mice via Inhibition of Hepatic and Serum Xanthine Oxidase Activity
Table 1
Analytical conditions of the GC-MS and preparative HPLC methods.
| Parameter | Condition |
| | GC-MS | Column | Agilent HP-5MS fused silica capillary column | (30 m × 0.25 mm i.d., 0.25 μm film thickness) | Carrier | Helium | Split | 1 : 5 | Injection volume | 1 μL | MS source | 230°C | MS quad | 150°C | Analytical temperature | | Rate | Value | Hold time | Initial | | 65°C | 10 min | Ramp | 10°C/min | 300°C | 22 min | Total | 55.5 min | | | Thermal aux | 300°C | Electron ionization | 70 ev | Mass range | 50–550 amu | Scan method | Full scan |
| | Preparative HPLC | Column | OP C18-51002510 (250×10.0 mm, 5 μm) | Flow rate | 3 mL/min | Injection volumn | 1000 μL | UV detection | 250 nm | Run time | 25 min | Gradient flow | Time (min) | ACN (v/v%) | 0.2% phosphoric acid (v/v%) | 0 | 10 | 90 | 5 | 10 | 90 | 18 | 50 | 50 | 20 | 100 | 0 | 21 | 10 | 90 | 25 | 10 | 90 |
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