Table 2.
Partitioning coefficients (KD) of bioactive compounds extracted by subcritical water fitted by the thermodynamic partitioning model.
| Temperature (°C) |
Flow Rate (mL/min) |
Partitioning Coefficients (KD) | ||
|---|---|---|---|---|
| Scopoletin | Alizarin | Rutin | ||
| 100 | 1 | 9.0 ± 0.6 a | 71.6 ± 2.7 a | 9.0 ± 0.5 a |
| 2 | 9.1 ± 0.5 a | 70.2 ± 1.9 a | 9.2 ± 0.4 a | |
| 3 | 9.3 ± 0.6 a | 74.2 ± 4.5 a | 9.3 ± 0.4 a | |
| 120 | 1 | 8.1 ± 0.4 b | 51.2 ± 2.5 b | 6.7 ± 0.2 c |
| 2 | 8.1 ± 0.4 b | 52.5 ± 2.4 b | 6.5 ± 0.4 c | |
| 3 | 7.5 ± 0.5 bc | 53.9 ± 2.5 b | 6.7 ± 0.2 c | |
| 140 | 1 | 7.2 ± 0.1 c | 9.6 ± 0.3 c | 7.8 ± 0.1 b |
| 2 | 7.5 ± 0.3 bc | 9.2 ± 0.8 c | 7.9 ± 0.6 b | |
| 3 | 7.7 ± 0.0 bc | 9.1 ± 0.5 c | 7.5 ± 0.3 b | |
Data are mean ± SD (n = 3). Mean values with different characters in each column are significantly different (p < 0.05 by Duncan’s multiple range test).