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Planta Med 1999; 65(6): 572-573
DOI: 10.1055/s-2006-960828
Letters

© Georg Thieme Verlag Stuttgart · New York

Antifungal Biflavones from Cupressocyparis leylandii

Mirosława Krauze-Baranowska1 , Wojciech Cisowski1 , Marian Wiwart2 , Beata Madziar1
  • 1Department of Pharmacognosy, Medical University of Gdańsk, Gdańsk, Poland
  • 2Department of Plant Breeding and Seed Production, University of Agriculture and Technology, Olsztyn, Poland
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Publikationsverlauf

1998

1999

Publikationsdatum:
04. Januar 2007 (online)

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Abstract

From the leaves of Cupressocyparis leylandii (Cupres-saceae) cupressuflavone, 4′-O-methylcupressuflavone, amentoflavone, 7-O-methylamentoflavone, 4‴-O-methylamentoflavone and hinokiflavone were isolated. 1H- and 13C-NMR data for 4′-O-methylcupressuflavone are given for the first time. The biflavones from cultivar varieties of C. leylandii (Naylor's Blue, Castlewellan Gold) were chromatographically (HPLC) compared. The antifungal activity of cupressuflavone and 4′-O-methylcupressuflavone against Alternoria alternato, Cladosporium oxysporum, Fusarium culmorum and F. avenaceum was assayed.