Table 2.
The regression equation, linear range, and LLOQ of the seven components in rat plasma samples.
| Components | Regression Equation | R2 | Linear Range (ng mL−1) | LLOQ (ng mL−1) |
|---|---|---|---|---|
| hydroxysafflor yellow A | Y = 1.96 × 10−4X + 2.43 × 10−4 | 0.9959 | 1.125–225 | 1.125 |
| caffeic acid | Y = 1.71 × 10−3X − 3.77 × 10−3 | 0.9988 | 1.145–229 | 1.145 |
| p-coumaric acid | Y = 2.19 × 10−3X + 3.90 × 10−4 | 0.9987 | 1.065–1065 | 1.065 |
| kaempferol-3-O-rutinoside | Y = 1.20 × 10−3X + 5.62 × 10−3 | 0.9989 | 1.37–685 | 1.37 |
| ferulic acid | Y = 1.00 × 10−3X + 9.83 × 10−4 | 0.9975 | 4.5–900 | 4.5 |
| 3-n-butylphthalide | Y = 3.08 × 10−2X − 1.41 × 10−1 | 0.9986 | 1.23–246 | 1.23 |
| ligustilide | Y = 4.45 × 10−3X − 1.20 × 10−3 | 0.9943 | 0.965–386 | 0.965 |