Biflavones from Chamaecyparis obtusa.

  title={Biflavones from Chamaecyparis obtusa.},
  author={Mirosława Krauze-Baranowska and Loretta Pobłocka and Atef Ahmed El-Hela},
  journal={Zeitschrift fur Naturforschung. C, Journal of biosciences},
  volume={60 9-10},
From the leaves of Chamaecyparis obtusa several biflavones were isolated and identified, namely: sciadopitysin, ginkgetin, isoginkgetin, podocarpusflavone B, 7,7"-O-dimethylamentoflavone, bilobetin, podocarpusflavone A, and 7-O-methylamentoflavone. The presence of amentoflavone and hinokiflavone was also confirmed. The composition of biflavones in other Chamaecyparis species--Ch. lawsoniana, Ch. thyoides--and cultivar varieties--Ch. pisifera "Squarrosa", Ch. pisifera "Boulevard"--was compared… CONTINUE READING