Oxysanguinarine (Hydroxysanguinarine;8-Oxosanguinarine) is a protoberberine alkaloid from Meconopsis simplicifolia with antimalarial activity[1].
[1]. Phurpa Wangchuk, et al. A new protoberberine alkaloid from Meconopsis simplicifolia (D. Don) Walpers with potent antimalarial activity against a multidrug resistant Plasmodium falciparum strain. J Ethnopharmacol. 2013 Dec 12;150(3):953-9.
















