Meroterpenes and C-Glucosylflavonoids from the Aerial Parts of Plumbago zeylanica

Two meroterpenes bakuchiol and 12-hydroxyisobakuchiol, and three C-glucosylflavonoids, saponaretin, isoorientin and isoaffinetin together with other constituents plumbagin, isoshinano-lone, xanthyletin, xanthoxyletin, psoralen, plumbagic acid, plumbagic acid butyl ester, β-sitosterol and β-sitosteryl glucoside have been isolated from the aerial part of Plumbago zeylanica. This is the first report of isolation of meroterpenes and C-glucosylflavonoids from Plumbago species.