Table 1 Qualitative identification and quantitative calibration of four marker compounds in RAGE
Compound | λmax (nm) | tR (min) | Calibration equation | r2 | Calibration range (μg/mL) |
|---|---|---|---|---|---|
Chlorogenic acid (1) | 218, 326 | 11.76 | y = 23.414x—4.5529 | 0.9991 | 0.78–50.00 |
Nodakenin (2) | 224, 336 | 19.58 | y = 23.670x + 8.2782 | 1.0000 | 3.13–200.00 |
Imperatorin (3) | 218,250,302,354 | 53.33 | y = 52.339x + 0.5308 | 0.9998 | 0.31–10.00 |
Decursin (4) | 222,326 | 59.67 | y = 56.013x + 82.431 | 1.0000 | 9.38–600.00 |