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Table 1 Qualitative identification and quantitative calibration of four marker compounds in RAGE

From: Neuroprotective effect of Angelica gigas root in a mouse model of ischemic brain injury through MAPK signaling pathway regulation

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