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Zeitschrift für Naturforschung C

A Journal of Biosciences

Editor-in-Chief: Seibel, Jürgen

Editorial Board: Aigner , Achim / Boland, Wilhelm / Bornscheuer, Uwe / Hoffmann, Klaus

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Volume 60, Issue 9-10


Biflavones from Chamaecyparis obtusa

Mirosława Krauze-Baranowska / Loretta Pobłocka
  • Department of Pharmacognosy, Medical University of Gdańsk, Gen. J. Hallera 107 str., 80-416 Gdańsk, Poland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Atef Ahmed El Helab
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znc-2005-9-1004


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 was compared using the HPLC method. It was stated, that podocarpusflavone A and 7-O-methylamentoflavone in addition to amentoflavone and hinokiflavone may be classified as chemotaxonomic markers of the genus Chamaecyparis

Keywords: Biflavones; HPLC; Chamaecyparis

About the article

Received: 2005-01-03

Revised: 2005-03-14

Published Online: 2014-06-02

Published in Print: 2005-10-01

Citation Information: Zeitschrift für Naturforschung C, Volume 60, Issue 9-10, Pages 679–685, ISSN (Online) 1865-7125, ISSN (Print) 0939-5075, DOI: https://doi.org/10.1515/znc-2005-9-1004.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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