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Table 2 Regression equation, linear range, correlation coefficient, LODs, and LOQs for marker compounds (n= 3)

From: Simultaneous quantification and antiatherosclerosis effect of the traditional Korean medicine, Hwangryunhaedok-tang

Compound Linear range (μg/mL) Regression equationa Correlation coefficient (r2) LODb(μg/mL) LOQc(μg/mL)
Geniposide 7.81 − 500.00 y = 14575.90x + 29400.74 0.9997 0.87 2.89
Baicalin 7.81 − 250.00 y = 41028.20x + 12271.19 0.9999 0.34 1.12
Coptisine 1.56 − 50.00 y = 45048.93x + 3766.28 0.9999 0.34 1.15
Palmatine 4.69 − 300.00 y = 37568.06x + 15349.20 0.9999 0.45 1.49
Berberine 1.56 − 50.00 y = 43158.92x + 4420.01 0.9999 0.39 1.30
  1. ay: peak area (mAU) of compounds; x: concentration (μg/mL) of compounds.
  2. bLOD = 3 × signal-to-noise ratio.
  3. cLOQ = 10 × signal-to-noise ratio.