Fig. 1

HPLC chromatogram of rosmarinic acid and glycyrrhizin at 330 nm and 280 nm, respectively (1: rosmarinic acid tR: 9.730; 2: glycyrrhizin tR: 20.724).

HPLC chromatogram of rosmarinic acid and glycyrrhizin at 330 nm and 280 nm, respectively (1: rosmarinic acid tR: 9.730; 2: glycyrrhizin tR: 20.724).