Research Article

Antipharyngitis Effects of Syringa oblata L. Ethanolic Extract in Acute Pharyngitis Rat Model and Anti-Inflammatory Effect of Ir-Idoids in LPS-Induced RAW 264.7 Cells

Figure 3

The major chemical constituents of (S) oblata. (a) Chromatographic profile of (S) oblata. by HPLC. (b) The 13C NMR spectra of four compounds (150 MHz in CD3OD). (c) The HR-ESI-MS [M–H]-of compounds group. 1: syringalactone A; 2: syringopicroside; 3: oleuropein; 4: ligstroside.