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Flavonoids from the Genus Taxus Mirosława Krauze-Baranowska

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Flavonoids from the Genus Taxus

Mirosława Krauze-Baranowska

Department of Pharmacognosy, Medical University of Gdan˜sk, Gen. J. Hallera 107 str., 80-416 Gdan˜sk, Poland. Fax: +4 85 83 49 32 06. E-mail: krauze@farmacja.amg.gda.pl Z. Naturforsch.59 c, 43Ð47 (2004); received November 11, 2002/May 26, 2003

From the needles ofTaxus baccatathe following flavonoids were isolated: 3-O-rutinosides quercetin, myricetin and kaempferol, 7-O-glucosides kaempferol and quercetin, kaempferol, quercetin, myricetin. The composition of flavonols and biflavones in some of the species of the genusTaxus, namelyT. celebica, T. cuspidata,T. mediaand cultivar varietiesT. baccata

‘Aurea’,T. baccata ‘Aurea decora’,T. baccata ‘Elegantissima’,T. baccata ‘Fastigiata’,T. baccata

‘Pyramidalis’,T. media ‘Hatfieldii’were compared by HPLC separation.

Key words:Flavonols, Biflavones, HPLC,Taxus

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