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Table 4 Precision of the analytical results (n = 5)

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

Compound Spiked Conc. (μg/mL) Intraday Interday
Detected Conc. (μg/mL) SD RSD (%) Detected Conc. (μg/mL) SD RSD (%)
Geniposide 20.00 19.69 0.14 0.73 19.52 0.22 1.13
  50.00 49.99 0.14 0.29 49.95 0.12 0.24
  100.00 100.09 0.04 0.04 100.12 0.04 0.04
Baicalin 16.00 16.46 0.08 0.46 16.09 0.16 1.00
  40.00 40.17 0.10 0.24 40.09 0.15 0.37
  80.00 79.82 0.06 0.07 79.94 0.05 0.06
Coptisine 2.00 1.98 0.01 0.45 2.02 0.01 0.62
  5.00 4.67 0.07 1.59 4.72 0.04 0.77
  10.00 10.17 0.04 0.35 10.14 0.02 0.16
Palmatine 5.00 5.02 0.03 0.68 4.91 0.04 0.81
  12.50 12.20 0.05 0.41 12.33 0.05 0.43
  25.00 25.14 0.02 0.08 25.10 0.03 0.12
Berberine 2.00 1.90 0.07 3.78 1.89 0.03 1.69
  5.00 4.92 0.04 0.87 4.98 0.05 1.10
  10.00 10.06 0.03 0.31 10.03 0.02 0.22