Identification and Semi-quantification of 36 Compounds from Violae herba (Zihuadiding) via UHPLC-Q-Orbitrap-MS/MS as Well as Proposal of Anti-counterfeiting Quality-Marker for Pharmacopeia

Violae herba (Zihuadiding) is a common Chinese herbal medicine. The current Chinese Pharmacopeia (ChP) defines Viola yedoensis Makino as the sole plant origin and esculetin as its sole quality-marker (Q-marker). Esculetin, however, occurs in some counterfeits as well. This implies that current ChP c...

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