Flavonoid composition of the Cuscuta capulata plant has been studied with the purpose of finding out new sources of biologically active ioin. Apigenin, kempferol, kempferol-3-O-D-galaktopiranozid (trifolin) flavonoids were obtained from the raw material laid in the surroundings of Baku at the end of June, 2006. The identification these ioin chemical spektral and khromatografik features has been affirmed with means of analysis methods.