Fig. 3. Effect of Korean red ginseng (RG) on level of IgE in serum. After completion of all treatments, blood samples were collected from the inferior vena cava and serum was separated. Level of serum IgE was measured by ELISA. The data are presented as the mean±SEM of a representative experiment of triplicates. Dex, dexamethasone. ^##p<0.01, significantly different from control group; **p<0.01, significantly different from 1-chloro-2,4-dinitrobenzene (DNCB)-alone.