Table 3.

Ginsenosides amount (mg/g) and precision result using red ginseng powder (means of 9 determinations over 3 concentration levels)

Ginsenoside	Official method(mg/g)	Proposed method(mg/g)	Bias(%)
Rg1	2.966±0.012	3.260±0.009	9.0
Re	1.709±0.011	1.907±0.012	10.4
Rf	0.955±0.014	1.052±0.005	9.2
Rh1	0.095±0.002	0.135±0.002	29.6
Rg2 (S)	0.138±0.001	0.188±0.001	26.6
Rg2 (R)	0.121±0.001	0.110±0.001	-10.0
Rb1	5.022±0.007	5.301±0.022	5.3
Rc	1.958±0.024	2.042±0.018	4.1
Rb2	1.832±0.023	1.937±0.006	5.4
Rd	0.479±0.003	0.579±0.002	17.3
Rg3 (S)	0.214±0.001	0.208±0.001	-2.9
Rg3 (R)	0.084±0.001	0.058±0.001	-44.8