Table 2.
Regression equations, linear range, correlation coefficients, limits of detection (LODs), and limits of quantification (LOQs) of eight compounds.
| Compounds | Linear Regression | r2 | Linear Range (μg/mL) | LOD (ng/mL) | LOQ (ng/mL) |
|---|---|---|---|---|---|
| Timosaponin N | y = 68,743x + 27,585 | 0.9997 | 2.0–16.0 | 2.8 | 9.8 |
| Timosaponin E1 | y = 100,376x + 13,353 | 0.9997 | 0.1–6.0 | 3.6 | 11.3 |
| Timosaponin BII | y = 13,964x + 8444 | 0.9999 | 20.0–120.0 | 4.8 | 19.0 |
| Timosaponin BIII | y = 53,259x + 21,310 | 0.9998 | 3.0–60.0 | 2.7 | 8.6 |
| Anemarrhenasaponin I | y = 71,064x + 29,916 | 0.9999 | 2.0–16.0 | 3.0 | 10.0 |
| Timosaponin AII | y = 58,520x + 17,831 | 0.9998 | 2.0–16.0 | 2.0 | 7.4 |
| Timosaponin AIII | y = 38,170x + 32,791 | 0.9998 | 3.0–60.0 | 1.0 | 3.5 |