蔷薇科植物木瓜用于治疗咽痛和咳嗽等。Osawa K等用90％乙醇加热提取干燥的木瓜(2kg),共3h。提取液过滤,减压浓缩得红棕色提取物(280g)。提取物经Diaion HP-20柱层析,分别以氯仿-甲醇-水洗脱以及进一步纯化,得到咖啡酸(13.7mg)、原儿茶酸(145.7mg)、绿原酸 Rosaceae plant papaya is used to treat sore throat and cough. Osawa K et al. used 90% ethanol to heat extract the dried papaya (2 kg) for 3 h. The extract was filtered and concentrated under reduced pressure to give a red-brown extract (280 g). The extract was subjected to Diaion HP-20 column chromatography, eluted with chloroform-methanol-water, and further purified to obtain caffeic acid (13.7 mg), protocatechuic acid (145.7 mg), and chlorogenic acid.