Figure 7

Representative UPLC chromatogram and mass spectra. (A) HCE-EA, (B) Peaks represent of standard compounds: (1) chlorogenic acid, (2) hyperoside, and (3) quercitrin, (C) total ion chromatogram of HCE-EA, (D) mass spectra of chlorogenic acid, (E) mass spectra of hyperoside, (F) mass spectra of quercitrin.