Table 2 Stability results of DMP in rat plasma under different storage conditions (n = 3)
Concentration of DMP (ng/mL) | Room temperature for 8 h | Storage at −20 °C for 2 weeks | Three freeze-thaw cycles | Post-preparation stability | ||||
|---|---|---|---|---|---|---|---|---|
RE% | RSD% | RE% | RSD% | RE% | RSD% | RE% | RSD% | |
30.0 | − 7.9 | 6.4 | − 1.9 | 7.4 | 6.6 | 4.7 | − 5.7 | 7.0 |
200.0 | − 0.7 | 4.6 | − 4.3 | 2.6 | − 10.2 | 6.5 | − 4.3 | 5.6 |
2000.0 | − 0.5 | 7.6 | − 8.1 | 2.6 | − 7.5 | 3.6 | − 6.9 | 2.2 |