Analytes | Retention time (min) | Calibration curve | Correlation coefficient (r) | Linear range (μg/mL) |
---|---|---|---|---|
Orientin | 6.45 | y = 2 × 107x + 5591.1 | 0.9995 | 0.7–11.7 |
Vitexin | 8.14 | y = 2 × 107x + 6476.1 | 0.9996 | 0.7–11.9 |
Isovitexin | 8.59 | y = 2 × 107x + 6332.2 | 0.9995 | 0.8–12.7 |
Luteolin | 21.42 | y = 4 × 106x − 696.9 | 0.9998 | 0.3–9.9 |
Apigenin | 24.08 | y = 3 × 106x − 3777.3 | 0.9996 | 0.3–10.1 |