Abstract: | Conclusions The following flavonoids have been isolated from propolis and identified: acacetin (I), 7,4-dimethoxyflavone (II), kaempferide (III), rhamnocitrin (IV), 5,7-dihydroxy-3,4-dihydroxyflavone (V), 3,5-dihydroxy-7,4-dimethoxyflavone (VI), (–)-pinostrobin (VII), and (–)-5-hydroxy-7,4-dimethoxyflavanone (VIII).Khimiya Prirodnykh Soedinenii, Vol. 5, No. 6, pp. 476–482, 1969 |