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Fingerprint chromatogram of three batches of ZYP in UPLC-CAD. Fourteen peaks were confirmed as followed, chlorogenic acid (1), sweroside (2), loganin (3), astragaline (4), ginsenoside Rg1 (5), ginsenoside Re (6), Akebia saponin D (7), ginsenoside Rb1 (8), ginsenoside Rc (9), ginsenoside Rb2 (10), ginsenoside Rd (11), chrysophanol (12), physion (13) and β-carotene (14).
