“…1−3 With striking structural diversity, PPAPs were reported to possess a wide variety of bioactivities, such as anti-inflammatory, antioxidant, anticancer, acetylcholinesterase inhibitory, and HIV preventive activities. 1,2,4 Because the typical PPAP, hyperforin, has been deemed to be a "star molecule" with outstanding antidepressant activity and neuroprotective effects against Alzheimer's disease, 1,5,6 PPAPs have attracted increasing attention from organic synthetic, pharmacological, and phytochemical fields. [1][2][3]7,8 Hypericum przewalskii is a traditional Chinese medicine applied to treat irregular menstruation, wounds, and bruises, and rheumatic pain in China.…”