Interferon-γ-Mediated Natural Killer Cell Activation by an Aqueous Panax ginseng Extract

Table 1

Rb1 and Rg1 concentrations in the P. ginseng extracts.

	Rb1 (%)	Rg1 (%)
Aqueous extract	0.52	0.04
95% ethanol extract	2.66	1.09
50% ethanol extract	1.23	0.50