地不容(Stephan iahainanensis H.S.Loet Y.Tsoong)为防己科千金藤属植物地不容的块根,始载于《唐本草》,又名“解毒子”。中医学认为其性寒味苦,有小毒,具有清热解毒、截疟、利湿、止痛等功效。千金藤碱(Cepharanth ine)是从地不容的块根中提取分离出来的生物碱单体化合物[1], Stephan iahainanensis H.S.Loet Y. Tsoong is an inseparable tuberous root of the genus Amorphophallus, which was originally described in “Tang Materia Medica”, also known as “Detoxification Toxin”. Chinese medicine that its bitter cold taste, a small drug, with detoxification, malaria cut, dampness, pain and other effects. Cepharanthine is an alkaloid monomer compound that has been isolated from roots and tubers [1],