Table 2. Compositional analysis of P. ginseng by HPLC.

Ginsenosides	P. ginseng Extract (mg/g )	Ginsenosides	P. ginseng Extract (mg/g )
Protopanaxadiol		Protopanaxatriol
Rb3	6.33	Rg1	7.22
Rb1	5.14	Re	2.21
Rb2	3.60	Rg2	0.67
Rc	2.61	Rh1	0.58
Rg3	1.08	–	–
Rd	0.43	Others 825.772
Rh2	0.002	Crude saponins	144.9

P. ginseng (1 g) was dissolved in 90% methanol and subjected to HPLC. The column was eluted with solvents A (18% acetonitrile) and B (80% acetonitrile) at a flow rate of 1.6 ml min^–1. The following solutions were used: 100% A and 0% B changed over 32 min, 80% A and 20% B to 80 min, 0% A and 100% B to 100 min and 100% A and 0% B to 110 min.