Radix Paeoniae Alba (RPA) presents several pharmacological effects, including analgesia, liver protection, and toxicity reduction. RPA consists mostly of monoterpenes and their glycosides, tannins, flavonoids, and organic acids, with monoterpenes being the main active pharmaceutical ingredients.

中文翻译：

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UHPLC-Q-TOF-MS质谱碎片裂解规律及白芍化学成分快速鉴定

白芍 (RPA) 具有多种药理作用，包括镇痛、保肝和降低毒性。RPA 主要由单萜及其苷类、单宁、黄酮类和有机酸组成，其中单萜是主要的药物活性成分。