Skip to main content
. 2016 Nov 4;21(11):1475. doi: 10.3390/molecules21111475

Table 1.

Calibration data of four analytes.

Analyte a Linear Range (μg·mL−1) Calibration Equation b r2 LOD (μg·mL−1) LOQ (μg·mL−1) Intra-Day RSD (%) (n = 6) Inter-Day RSD (%) (n = 6) Recovery and RSD (%) (Mean, n = 6)
L1 L3 L5 L1 L3 L5
1 3.1~32.2 Y = 7701.546x + 9983 0.9992 0.26 0.81 2.46 1.91 1.36 1.06 0.98 1.39 105.54, 3.32
2 3.1~32.2 Y = 5548.525x + 15,762 0.9995 0.29 0.95 3.27 2.38 1.57 1.62 1.78 1.20 104.06, 2.96
3 20.5~520.6 Y = 7171.274x + 31,544 0.9993 0.03 0.11 3.36 1.50 2.02 1.83 1.19 1.14 102.95, 3.37
4 3.1~32.2 Y = 9108.011x + 6141 0.9996 0.11 0.37 2.50 1.66 1.46 1.79 1.54 1.44 104.92, 2.70

a The compound codes 1, 2, 3, and 4 of each analyte refers to epimedin A, epimedin B, epimedin C, and icariin, respectively; b Y: peak area; X: concentration of compound (μg·mL−1).