Table 1.

Calibration curve and concentration range of five ginsenosides

Ginsenosides	Calibration curve	r2	Linearity range (μg)	LOQ (ng)
Rg1	Y = 16,675,697X + 296,894	0.9996	0.518–22.0	92–167
Re	Y = 5,026,234X + 180,910	0.9984	0.464–17.7	91–174
Rc	Y = 18,707,368X + 327,473	0.9988	0.565–20.1	94–184
Rd	Y = 20,072,946X + 827,473	0.9987	0.374–15.7	97–197
Rb1	Y = 1,495,613X + 297,081	0.9982	0.427–16.7	109–217

LOQ, limit of quantification.