Fig. 4

HPLC profiles of JSD. HPLC patterns of JSD extract at 237 nm (a), 254 nm (d) and standard compounds, liquiritin, ammonium glycyrrhetate at 237 nm (b, c), aloe-emodin, rheinic acid, rheum emodin, chrysophanol, and emodin-3-methyl ether at 254 nm (e)