Table 5.

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

Ginsenoside	Official method(mg/g)	Proposed method(mg/g)	Bias (%)
Rg1	0.835±0.012	0.867±0.011	3.7
Re	1.059±0.014	1.110±0.014	4.6
Rf	1.167±0.006	1.287±0.013	9.3
Rh1	0.770±0.004	0.877±0.011	12.2
Rg2 (S)	1.134±0.010	1.297±0.006	11.3
Rg2 (R)	0.537±0.011	0.598±0.012	10.2
Rb1	4.109±0.058	4.278±0.039	4.0
Rc	1.775±0.028	1.896±0.045	6.4
Rb2	1.698±0.025	1.790±0.007	5.1
Rd	1.001±0.018	1.072±0.005	6.6
Rg3 (S)	1.948±0.028	2.215±0.049	12.1
Rg3 (R)	0.797±0.004	0.674±0.008	-18.2