4-Hydroxylonchocarpin is a chalcone compound from an extract of Psoralea corylifolia. 4-Hydroxylonchocarpin increases phosphorylation of p38 MAPK, JNK and ERK. 4-Hydroxylonchocarpin has diverse pharmacological activities, including antibacterial, antifungal, anticancer, antireverse transcriptase, antitubercular, antimalarial, anti-inflammatory and antioxidant activities.