Biflavones from Chamaecyparis obtusa

@article{KrauzeBaranowska2005BiflavonesFC,
  title={Biflavones from Chamaecyparis obtusa},
  author={Mirosława Krauze-Baranowska and Loretta Pobłocka and Atef Ahmed El Helab},
  journal={Zeitschrift f{\"u}r Naturforschung C},
  year={2005},
  volume={60},
  pages={679 - 685}
}
Abstract 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 D Ch. lawsoniana, Ch. thyoides D and cultivar varieties D Ch. pisifera “Squarrosa”, Ch. pisifera “Boulevard” D… 
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It was found that Amentoflavone, Dieckol, Bilobetin, Punicalagin, Tellimagrandin-I, Tannic acid, Sciadopitysin, Ginkgetin and Chebulagic acid could be a promising antiviral drug since they present more important binding energy than conventional ones.
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