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1Author    L.Macki Gaertn, KalogaRequires cookie*
 Title    Isosilychristin, ein neues Flayonolignan aus Silybum marianum L. Gaertn. Isosilychristin, a New Flavonolignan from Silybum marianum  
 Abstract    A new flavonolignan, isosilychristin (1), has been isolated from the fruits of Silybum marianum L. Gaertn. Its structure and configuration is elucidated by spectroscopic methods. 
  Reference    Z. Naturforsch. 36b, 262—265 (1981); eingegangen am 4. August/15. September 1980 
  Published    1981 
  Keywords    Silybum, Asteraceae, Flavonolignane, Silymarine, Isosilychristin 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-0262.pdf 
 Identifier    ZNB-1981-36b-0262 
 Volume    36 
2Author    Gaertn, Macki KalogaRequires cookie*
 Title    Isolierung von Dihydrokämpferol aus Silybum marianum L  
 Abstract    Dihydrokaempferol ((2R, 3R)-2-(4-Hydroxy-phenyl)-3,5,7-trihydroxy-4-chromanon) has been isolated from the fruit of Silybum marianum L. Gaertn. and identified by UV, CD, MS and PMR spectra. 
  Reference    Z. Naturforsch. 36b, 524—525 (1981); eingegangen am 1. August/22. Dezember 1980 
  Published    1981 
  Keywords    Silybum, Asteraceae, Flavanonole, Dihydrokaempferol 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-0524_n.pdf 
 Identifier    ZNB-1981-36b-0524_n 
 Volume    36 
3Author    Christian Zidorn3, ErnstP. Ellmerer-M, MichaelJ D Iillerb, HermAnn Obner3, Stuppner3Requires cookie*
 Title    Leontodon cichoraceus  
 Abstract    A re-investigation of subaerial parts of L eontodon cichoraceus (Ten.) Sanguin. yielded the new ger-macrane-type sesquiterpenoid 15-/?-D-glucopyranosyl-8-[p-(/3-D-glucopyranosyloxy)phenylacetyl]-saloniteno-lide. The structure was established by A PCI mass spec­ trom etry and ID -and 2D-NMR spectroscopy. A survey by HPLC-DAD and HPLC-MS gave no signs of this compound in 23 other taxa of Leontodon. 
  Reference    Z. Naturforsch. 56c, 904—908 (2001); received June 6 /July 3 2001 
  Published    2001 
  Keywords    Asteraceae, Lactuceae, Sesquiterpene Lactones 
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 TEI-XML for    default:Reihe_C/56/ZNC-2001-56c-0904_n.pdf 
 Identifier    ZNC-2001-56c-0904_n 
 Volume    56 
4Author    E. WollenweberRequires cookie*
 Title    Exkret-Flavonoide bei Hieracium intybaceum Exudate Flavanoids in Hieraceum intybaceum, an Alpine Hawkweed  
 Abstract    The hawkweed Hieracium intybaceum is covered with glandular trichomes that produce a sticky resinous exu­ date. This material, assumedly o f terpenoid nature, con­ tains trace amounts o f flavonoid aglycones. They could be identified to be known flavones and flavanones. This is the first time that an alpine Asteraceae was found to exude flavonoid aglycones. 
  Reference    Z. Naturforsch. 39c, 833 (1984); received March 26 1984 
  Published    1984 
  Keywords    Hieracium intybaceum, Asteraceae, L eaf Exudate, Flavonoid Aglycones 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-0833_n.pdf 
 Identifier    ZNC-1984-39c-0833_n 
 Volume    39 
5Author    W.Dennis Clark, Eckhard WollenweberRequires cookie*
 Abstract    Nineteen flavonoid aglycones have been identified from the external stem and leaf resin of Ericameria laricifolia by thin layer co-chromatography with authentic samples. Kaempferol, quercetin, apigenin, and their methyl ethers have been found, along with luteolin and 6-methoxy luteolin. It is suggested that future flavonoid chemosys-tematic studied of resin-exuding species would best focus on aglycones as opposed to glycosides. Ericameria is a genus of about 20 shrubby, res­ inous species found in the southwestern US and adjacent Mexico. It had been submerged into the large genus, Haplopappus [1], but has been more recently treated at the genus rank once again [2]. Previous chemo-systematic studied have addressed the relationship between Ericameria and other Haplopappus segregates [3], but to a limited extent. 
  Reference    Z. Naturforsch. 39c, 1184—1185 (1984); received July 25 1984 
  Published    1984 
  Keywords    Ericameria laricifolia, Asteraceae, Leaf Resin, 19 Flavonoid Aglycones 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-1184_n.pdf 
 Identifier    ZNC-1984-39c-1184_n 
 Volume    39 
6Author    E. W. Ollenweber, K. M. Ann, F.J A Rriaga, G. YatskievychRequires cookie*
 Title    Flavonoids and Terpenoids from the Leaf Resin of Pluchea odorata  
 Abstract    The chemical composition of the leaf resin of Pluchea odorata has been studied from material collected in Tamaulipas, Mexico. It mostly consists of triterpenes and phytosterols and an eudes-mane type sesquiterpene. Very small amounts of ten different flavonol aglycones occur, dissolved in this resin; most of them are 6-methoxy compounds. A comparison with previous results on material from El Salvador shows that the latter contains a lesser number of triterpenes and especially of flavonoids, but more sesquiterpenes, while the n-alkane composition varies only quantitatively between both populations. 
  Reference    Z. Naturforsch. 40c, 321 (1985); received November 26 1984/February 13 1985 
  Published    1985 
  Keywords    Pluchea odorata, Asteraceae, Leaf Resin, Flavonoid Aglycones, Terpenoids 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0321.pdf 
 Identifier    ZNC-1985-40c-0321 
 Volume    40 
7Author    Z. NaturforschRequires cookie*
 Title    Lipophilic Phenolic Constituents from Helichrysum Species Endemic to Madagascar  
 Abstract    M ichel R an d riam in ah y a, Peter Proksch3, L udger W itteb, and V ictor W rayc Eight species o f the genus H elichrysum , all o f them endemic to Madagascar, were analyzed for lipophilic phenolic constituents deposited on the surfaces o f leaves and stems. A total o f 35 com pounds was isolated and identified by spectroscopic means. C halcones (10) comprised the largest group o f com pounds encountered, followed by flavonols (8), flavanones (7), flavones (4), benzophenones (3) and phloroglucinol derivatives (3). M any o f the flavonoids were char­ acterized by unsubstituted B-rings and/or C-or O-bound prenyl or neryl substituents. The H elichrysum species analyzed in this study are very similar to African species o f this genus with regard to their lipophilic phenolic constituents. The phenolic com pounds studied thus appear to be conservative chemical characters o f H elichrysum that were retained more or less un­ changed during the origin o f endemic taxa in Madagascar. 
  Reference    Z. Naturforsch. 47c, 10—16 (1992); received July 29 1991 
  Published    1992 
  Keywords    H elichrysum, Asteraceae, Flavonoids, Benzophenones, Phloroglucinols 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0010.pdf 
 Identifier    ZNC-1992-47c-0010 
 Volume    47 
8Author    M. Ari, C. Arm En, T. Erencio, Marí, JesúS. Sanz, Marí, Luisa Fonseca, SalvadorM. Áñ Ez, JoséR. Luis, ÍosRequires cookie*
 Title    Phenolic Compounds from Lactuca viminea L  
 Abstract    The aerial part o f Lactuca viminea L. was examined for the presence o f phenolic com ­ pounds. Six different flavonoids were isolated and identified by U V spectra, TLC, HPLC-D A D , 'H NM R and l3C N M R . They were identified as apigenin, luteolin, quercetin, luteolin-7-O-glucoside, quercetin-3-O-glucoside and luteolin-7-0-glucuronide-6"-m ethyl ester. Three phenolic acids were also detected: caffeic, ferulic and chlorogenic acid. 
  Reference    Z. Naturforsch. 47c, 17 (1992); received June 26/July 31 1991 
  Published    1992 
  Keywords    Lactuca viminea, Flavonoids, Phenolic Acids, Asteraceae 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0017.pdf 
 Identifier    ZNC-1992-47c-0017 
 Volume    47 
9Author    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 
10Author    MilkaN. Todorova3, ElenaT. Tsankova3, Rilka Ml, DimitarR. Taskovab, PeevbRequires cookie*
 Title    Terpenoids from Achillea clusiana  
 Abstract    Aerial parts of A chillea clusiana include two new chrysanthemol derivatives and three new guaianolides in addition to six known sesquiterpenoids. The structures of the new compounds were elucidated by spectroscopic methods. 
  Reference    Z. Naturforsch. 54c, 1011—1015 (1999); received July 28/September 3 1999 
  Published    1999 
  Keywords    Achillea clusiana, Asteraceae, Terpenoids, Chrysanthemol Derivatives, Sesquiterpene Lactones 
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 TEI-XML for    default:Reihe_C/54/ZNC-1999-54c-1011.pdf 
 Identifier    ZNC-1999-54c-1011 
 Volume    54 
11Author    P. Eter Proksch, M. Argareta Proksch, W. Altraud Weck, Eloy RodriguezRequires cookie*
 Title    Localization of Chromenes and Benzofurans in the Genus Encelia (Asteraceae)  
 Abstract    Phytochemical and microscopial analysis of leaves and stems of various species of Encelia showed a strict correlation between the presence of resin ducts and the accumulation of benzopy­ rans and benzofurans. Fluorescence microscopy of Encelia farinosa proved unambigously that these compounds are stored exclusivly in the resin ducts and the surrounding cells. 
  Reference    Z. Naturforsch. 40c, 301 (1985); received December 18 1984 
  Published    1985 
  Keywords    Encelia, Asteraceae, Benzofurans and Benzopyrans, Localization, Resin Ducts 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0301.pdf 
 Identifier    ZNC-1985-40c-0301 
 Volume    40 
12Author    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 
13Author    Fco Javier, A. Rriaga-G, Angel Iner3, Eckhard Rumberob, Wollenweberc-Requires cookie*
 Title    Ozothamnus scutellifolius (A steraceae)  
 Abstract    Leaf and stem exudate of Ozothamnus scutellifolius, previously reported to contain 21 flavonoid aglycones, was now investigated for its terpenoid composition. Seven structurally related diterpenoids were identified. One of them, 16a,19-diacetoxy-enf-kaurane, is a novel natural product. 
  Reference    Z. Naturforsch. 54c, 602 (1999); received April 1/April 29 1999 
  Published    1999 
  Keywords    Ozothamnus scutellifolius, Asteraceae, Leaf and Stem Exudate, Diterpenoids, Novel Kaurane Derivative 
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 TEI-XML for    default:Reihe_C/54/ZNC-1999-54c-0602_n.pdf 
 Identifier    ZNC-1999-54c-0602_n 
 Volume    54 
14Author    Fco Javier, A. Rriaga-G, AngelR. Iner3, EckhardW. Um Berob, Ollenweberc, TabacaleraS A Centro, +. D.Requires cookie*
 Title    Terpenoids and Phenylethyl Esters from the Exudate of the Australian Plant Ozothamnus ledifolius (Asteraceae)  
 Abstract    The leaf exudate of O zotham nus ledifolius, previously reported to contain a series of flavonoid aglycones, mostly consists of a mixture o f terpenoids. From this res­ inous material we now identified four sesquiterpenes, a diterpenediol and two pentacyclic triterpene acids. In the phenolic portion we found three phenylethyl esters. 
  Reference    Z. Naturforsch. 53c, 286 (1998); received D ecem ber 18 1997/January 26 1998 
  Published    1998 
  Keywords    Ozotham nus ledifolius, Asteraceae, Leaf Exudate, Sesqui-, D i-, and Tri-terpenoids, Phenylethyl Esters 
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 TEI-XML for    default:Reihe_C/53/ZNC-1998-53c-0286_n.pdf 
 Identifier    ZNC-1998-53c-0286_n 
 Volume    53