Table 1.

Calibration curves of the three Panax notoginseng saponins in beagle dog plasma

Analyte	Standard curves (linear)	P	r2	Test range (ng/mL)	Limit of quantification (ng/mL)
NotoginsenosideR1	Y = 0.0011X+0.0004	0.003	0.9967	2.64--264	0.50
Ginsenoside Rg1	Y = 0.0009X+0.0007	0.004	0.9941	3.60--360	0.82
Ginsenoside Rb1	Y = 0.0016X+ 0.0283	0.004	0.9912	18.7--1870	1.10

Note: Y, peak area ratio (analyte/internal standard); X, concentration of analyte in plasma (ng/mL)