Table 2 The quantitative condition of HPLC-DAD
Compounds | Regression equation | r2 | Linear range (mg/mL) | LOD (μg/mL) | LOQ (μg/mL) |
|---|---|---|---|---|---|
caffeic acid | Y = 17,218X + 1.14 | 0.9996 | 0.040–0.242 | 0.259 | 0.746 |
ferulic acid | Y = 17,487X + 11.40 | 0.9999 | 0.022–0.133 | 0.259 | 0.776 |
rosmarinic acid | Y = 7728X + 25.16 | 0.9999 | 0.096–0.576 | 0.607 | 1.721 |