Table 6.
Recovery and RSD values of red ginseng extract (9 determinations over 3 concentration levels)
| Component | Official method | Proposed method | Bias (%) | ||
|---|---|---|---|---|---|
|
|
|
||||
| Recovery (%)1) | RSD | Recovery (%)1) | RSD | ||
|
| |||||
| Rg1 | 95.2 | 3.51 | 93.6 | 2.11 | 1.7 |
| Re | 97.5 | 3.84 | 95.0 | 2.43 | 2.6 |
| Rf | 95.8 | 4.21 | 92.3 | 1.53 | 3.9 |
| Rh1 | 98.7 | 8.53 | 96.5 | 2.85 | 2.3 |
| Rg2 (S) | 95.8 | 5.99 | 99.1 | 7.72 | 3.3 |
| Rg2 (R) | 93.2 | 3.40 | 96.4 | 9.41 | 3.2 |
| Rb1 | 91.4 | 2.57 | 91.3 | 1.72 | 0.1 |
| Rc | 97.0 | 5.18 | 92.5 | 1.41 | 4.9 |
| Rb2 | 97.1 | 4.13 | 90.6 | 1.68 | 7.1 |
| Rd | 96.9 | 3.94 | 92.9 | 3.05 | 4.3 |
| Rg3 (S) | 100.9 | 4.42 | 92.2 | 3.15 | 9.5 |
| Rg3 (R) | 105.4 | 3.47 | 96.5 | 4.27 | 9.3 |
RSD, relative standard deviation.
1)Mean value of 9 determinations over 3 concentration levels.