Table 2.

Linearity of calibration curve for ginsenosides

Ginsenoside	Calibration curve1)	R2	LOD (μg/mL)	LOQ (μg/mL)
Rg1	Y = 4.52*103 X – 4.25*103	0.999933	1.74	5.80
Re	Y = 3.82*103 X + 8.88*102	0.999961	1.71	5.70
Rf	Y = 3.92*103 X – 9.62*102	0.999958	1.08	3.59
Rh1	Y = 6.45*103 X – 7.48*103	0.999970	0.84	2.82
Rg2 (S)	Y = 5.03*103 X – 1.68*104	0.999932	0.36	1.21
Rg2 (R)	Y = 5.30*103 X + 1.16*104	0.999978	0.48	1.58
Rb1	Y = 3.33*103 X – 4.70*103	0.999937	0.90	2.97
Rc	Y = 3.69*103 X – 1.12*104	0.999937	1.92	6.37
Rb2	Y = 3.55*103 X – 5.54*103	0.999937	1.77	5.86
Rd	Y = 4.12*103 X – 5.72*103	0.999924	1.47	4.85
Rg3 (S)	Y = 4.18*103 X – 3.41*103	0.999910	0.33	1.12
Rg3 (R)	Y = 5.71*103 X – 6.03*103	0.999919	0.20	0.66

LOD, limit of detection; LOQ, limit of quantification.

¹⁾Y: peak area; X: amount of ginsenoside (μg/mL).