“…Many classic texts of oriental medicine showed the name of GSL as a medicine for healing of bacteria, intestinal inflammation, dermatitis, diarrhea, and cancer (Guo et al, 1987;Lee et al, 1993;Cho, 2006). Recent studies have reported that a number of phenolic compounds isolated from various Geranium species have antinociceptive and anti-inflammatory effects in inflammatory animal model systems (Küpeli et al, 2007;Pokharel et al, 2007). Among phenolic compounds, 4-hydroxykobusin isolated from Geranium thunbergii inhibits the production of nitric oxide and expression of inducible nitric oxide synthase (iNOS) via transcriptional activations of NF-B and AP-1 in macrophage cells (Pokharel et al, 2007).…”