Abstract
Apigenin, luteolin, apigenin-7- O -ß-D-rutinopyranoside, luteolin-7- O -ß-D-glucopyranoside, vicenin-2, vitexin, isovitexin, orientin, isoorientin, aesculetin, aesculin, chlorogenic acid and caffeic acid have been isolated from the aerial parts of O. sanctum L.