Table 1: Calibration curves for the marker components ( ).

ComponentLinear range (μg/mL)Regression equationar 2

Alpinetin1.56–200.00Y = 36,943.64x – 21,495.520.9999
Pinocembrin1.56–200.00Y = 32,328.64x – 21,267.921.0000
Cardamonin0.78–100.00Y = 102,355.01x – 27,440.910.9999

aY represents peak area (mAU); x represents concentration (μg/mL).