Table 3.
Stability of curdione and curcumol in microdialysates (n = 5).
| Analytes | Nominal concentration (ng/mL) |
At room temperature for 24 h | Three freeze/thaw cycles | At −20°C for two days | |||
|---|---|---|---|---|---|---|---|
| Found (ng/mL) | RSD (%) | Found (ng/mL) | RSD (%) | Found (ng/mL) | RSD (%) | ||
| Curdione | 6.66 | 7.94 ± 0.67 | 8.5 | 7.77 ± 0.60 | 7.8 | 7.67 ± 0.55 | 7.2 |
| 26.65 | 28.46 ± 3.43 | 12.1 | 28.28 ± 2.82 | 10.0 | 29.17 ± 3.55 | 12.2 | |
| 191.88 | 194.17 ± 6.71 | 3.5 | 188.40 ± 10.8 | 5.8 | 189.1 ± 12.18 | 6.5 | |
|
| |||||||
| Curcumol | 16.23 | 19.48 ± 0.60 | 3.1 | 19.49 ± 0.57 | 3.0 | 18.43 ± 0.93 | 5.1 |
| 64.90 | 60.08 ± 6.69 | 11.2 | 63.79 ± 7.73 | 12.2 | 68.36 ± 5.35 | 7.9 | |
| 467.28 | 435.50 ± 3.45 | 0.80 | 464.66 ± 54.7 | 11.8 | 529.46 ± 75.2 | 14.3 | |