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1Author    E. Rá, F. T., J.M NRequires cookie*
 Title    from Sideritis leucantha (Lam iaceae)  
 Abstract    A quantitative and qualitative study of the seasonal var­ iation of free flavone aglycones from Sideritis leucantha (Lamiaceae) has been carried out by means of HPLC. The flavonoid pattern remained unvariable with seasonal varia­ tion supporting flavonoid aglycones as idoneous taxonomic markers. Quantitative variations were observed, being the summer months which yielded a higher content in these compounds. These highly methylated flavone aglycones are located in the leaves surface as part of the excretion mate­ rial. 
  Reference    Z. Naturforsch. 40c, 914 (1985); received September 10 1985 
  Published    1985 
  Keywords    Sideritis leucantha, Lamiaceae, Exudate Flavonoids, Monthly Variation, HPLC 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0914_n.pdf 
 Identifier    ZNC-1985-40c-0914_n 
 Volume    40 
2Author    JenniferS. Trand, E. Duardo, R. FuentesRequires cookie*
 Abstract    Ten methylated flavonols have been identified in the lipophilic resinous exudate found on aerial parts of Grin­ delia tarapacana, a gum weed species of Chile. 
  Reference    Z. Naturforsch. 48c, 533—534 (1993); received February 18 1993 
  Published    1993 
  Keywords    Grindelia tarapacana, Asteraceae, Solidagininae, Resins, Exudate Flavonoids 
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 TEI-XML for    default:Reihe_C/48/ZNC-1993-48c-0533_n.pdf 
 Identifier    ZNC-1993-48c-0533_n 
 Volume    48 
3Author    Eckhard Wollenweber, Marion Dörr, Hannelore Fritz3, KarinM. Valant-VetscherabRequires cookie*
 Title    Exudate Flavonoids in Several Asteroideae and Cichorioideae (Asteraceae)  
  Reference    Z. Naturforsch. 52c, 137—143 (1997); received October 21/November 27 1996 
  Published    1997 
  Keywords    Asteraceae, Exudate Flavonoids, Polymethoxyflavones and -flavonols, Flavanones, Phloracetophenones 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0137.pdf 
 Identifier    ZNC-1997-52c-0137 
 Volume    52 
4Author    E. Ckhard, W. Ollenw Eber, K. Arin, M. AnRequires cookie*
 Title    A M yricetin Tetram ethyl Ether from the L eaf and Stem Surfaces o f Tillandsia usneoides  
 Abstract    Myricetin-3,7,3',4'-tetramethyl ether has been isolated as an aglycone from the acetone wash of Tillandsia usneoides. It is thus shown to be deposited externally, on leaf and stem surfaces. We suggest that the previously re­ ported lipophilic flavonoids from this and other species are also exudate constituents. 
  Reference    Z. Naturforsch. 47c, 638—639 (1992); received May 5 1992 
  Published    1992 
  Keywords    Tillandsia usneoides, Bromeliaceae, Exudate Flavonoids, Myricetin-3, 7, 3', 4'-tetramethyl Ether 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0638_n.pdf 
 Identifier    ZNC-1992-47c-0638_n 
 Volume    47