Cullen corylifolium, synonym Psoralea corylifolia,[1] (babchi) is a plant used in Indian and Chinese traditional medicine. The seeds of this plant contain a variety of coumarins, including psoralen.
Corylifolium comes from similarity of the leaves to those of Corylus, a genus of tree in northern world regions, such as Sweden.[2]
Cullen corylifolium grows 50–90 cm tall and is an annual plant. It has pale-purple flowers in short, condensed, axillary spikes. Its corolla is pale purple. Flowers one-seeded fruits. The most distinctive feature is the occurrence of minute brown glands which are immersed in surface tissue on all parts of the plant, giving it a distinctive and pleasant fragrance.[2]
Cullen corylifolium is native to north-east tropical Africa, the southern Arabian Peninsula, and tropical and subtropical Asia, including India and Sri Lanka.[1] It was occasionally cultivated in Arabia for its supposed medicinal properties.[2]
Cullen corylifolium extract contains numerous phytochemicals, including flavonoids (neobavaisoflavone, isobavachalcone, bavachalcone, bavachinin, bavachin, corylin, corylifol, corylifolin and 6-prenylnaringenin), coumarins (psoralidin, psoralen, isopsoralen and angelicin), meroterpenes (bakuchiol, and 3-hydroxybakuchiol).[3]
Cullen corylifolium, or bu gu zhi in traditional Chinese medicine,[4] is an herb used as a therapy for several disorders, such as treatment of lichen planus by psoralen extract combined with sunlight exposure.[5]
Cullen corylifolium, synonym Psoralea corylifolia, (babchi) is a plant used in Indian and Chinese traditional medicine. The seeds of this plant contain a variety of coumarins, including psoralen.