Table 2 Retention time, linear range, calibration curve, Correlation coefficient, LOD and LOQ of four flavonoids determined by HPLC (UV)
From: Comprehensive assessment of phenolics and antiradical potential of Rumex hastatus D. Don. roots
Compound | Retention time | Linear range (μg/ml) | Calibration equation | Corelation coefficient (r) | LOD (ng) | LOQ (ng) |
|---|---|---|---|---|---|---|
Rutin | 8.7 | 5.0-250 | y = 8.623 × 105x + 946.965 | 0.9998 | 2 | 6 |
Luteolin-7-glucoside | 16.0 | 10-1000 | y = 1.433x106x + 1064.141 | 0.9988 | 5 | 12 |
Vitexin | 2.5 | 2.0-200 | y = 3.357x105x + 1085.241 | 0.999 | 1 | 3 |
Luteolin | 2.01 | 2.0-250 | y = 1.429x106x + 3818.831 | 0.9982 | 1 | 3 |