Research Article

Chromatographic Fingerprinting Based on Column Switching Technology for Quality Evaluation of Tianmeng Oral Liquid

Figure 3

The fingerprints of 12 batches of TMOL, R reference fingerprint based on column switching technology, and (S13) the chromatogram of mixed reference standard solution. Peaks 12, 14, 17, 19, and 23 refer to syringin, chlorogenic acid, calycosin 7-O-glucoside, hesperidin, and icariin, respectively.