Table 3 Intra-, Inter-day precision of three marker compounds
Compound | Concentration (µg/mL) | Intra-daya (n = 3) | Inter-dayb (n = 3) | ||
|---|---|---|---|---|---|
Concentration found (µg/mL) | RSD (%) | Concentration found (µg/mL) | RSD (%) | ||
Schisandrin | 25 | 22.8 | 0.02 | 22.7 | 2.50 |
100 | 103.9 | 0.52 | 101.8 | 1.70 | |
400 | 414.0 | 0.14 | 410.5 | 0.62 | |
Gomisin A | 25 | 25.8 | 0.05 | 26.2 | 1.54 |
100 | 98.7 | 0.08 | 101.3 | 2.34 | |
400 | 399.8 | 0.09 | 409.5 | 1.98 | |
Gomisin N | 25 | 24.3 | 0.02 | 23.4 | 0.68 |
100 | 102.8 | 0.02 | 96.8 | 0.23 | |
400 | 403.9 | 0.07 | 397.1 | 0.85 | |