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'Triterpenoids' in keywords Facet   section ZfN Section C  [X]
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1997 (1)
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1Author    A. M. Rizk, A. M. Youssef, M. A. Diab, H. M. SalemRequires cookie*
 Title    Triterpenoids and Related Substances of Euphorbia paralias  
 Abstract    The study of the triterpenoids and their related substances of E uphorbia paralias resulted in isolation of ursolic acid, cycloartenol, 24-methylenecycloartenol, uvaol, a hydrocarbon fraction (/1-C29 71-C35), alcohol fraction (hexacosanol and octacosanol) and a sterol fraction (/?-sitosterol, stigmasterol, campesterol and cholesterol). Constituents of Egyptian Euphorbiaceae, I 
  Reference    (Z. Naturforsch. 29c, 529 [1974]; received June 10 1974) 
  Published    1974 
  Keywords    E uphorbia paralias, Triterpenoids, Sterols, Alcohols, ra-Alkanes 
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 TEI-XML for    default:Reihe_C/29/ZNC-1974-29c-0529.pdf 
 Identifier    ZNC-1974-29c-0529 
 Volume    29 
2Author    GerardJ. Niem, WimJ. Baas, Elisabeth Besson, JeanC. HopinRequires cookie*
 Title    Investigations on Hoya Species. III. Leaf Phenolics and Latex Lipids of Hoya lacunosa Bl.  
 Abstract    Hoya lacunosa leaves contain some main C-glycosylflavonoids, which were identified as: 6-C-arabinosyl 8-C-glucosylapigenin (isoschaftoside), 6-C-glucosyl 8-C-arabinosylapigenin (schaftosi-de) and 6,8-di-C-arabinosylapigenin. In the latex triterpenols were found, often both free and in ester form, of which /?-amyrin, a-amyrin, lupeol, 24-methylenecycloartanol, obtusifoliol and cyclo-eucalenol were identified in the free alcohol fraction. The esters, forming the m ajor part o f the to­ tal lipid fraction, were solely acetates o f some of the above mentioned alcohols. 
  Reference    Z. Naturforsch. 34c, 1125—1128 (1979); received August 31 1979 
  Published    1979 
  Keywords    Hoya lacunosa, Asclepiadaceae, C-Glycosylflavonoids, Latex, Triterpenoids, 4-ar-Methylsterols 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-1125.pdf 
 Identifier    ZNC-1979-34c-1125 
 Volume    34 
3Author    F. Ran, Z-Jo Sef, M. Arner, BiancaK. ErpRequires cookie*
 Title    Composition of Iridals, Unusual Triterpenoids from Sword-Lilies, and the Seasonal Dependence of Their Content in Various Parts of Different Iris Species  
 Abstract    The com position o f iridals, new triterpenoids from sword-lilies, and their fatty acid esters in roots, rhizomes and leaves o f I. germ anica Linn., I. pseudacorus Linn, and two different varie­ ties o f I. pallida Lam. was determined. Quantitative analysis o f their total content in the var­ ious parts o f the plants in the course o f the year showed specific seasonal changes in rhizomes and leaves. Based on these results the possible significance o f these com pounds for the plants is discussed. 
  Reference    Z. Naturforsch. 47c, 21 (1992); received M ay 21/August 29 1991 
  Published    1992 
  Keywords    Iridals, Triterpenoids, Iris pallida Lam, Iris germ anica Linn, Iris pseudacorus Linn 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0021.pdf 
 Identifier    ZNC-1992-47c-0021 
 Volume    47 
4Author    Christine Kamperdick3, Günter Adam3, NguyenHong Vanb, TranVan SungbRequires cookie*
 Title    Chemical Constituents of Madhuca pasquiery  
 Abstract    Four triterpenoids, the scarce nortriterpenoid platanic acid, two flavonoids and 2,4-dihy-droxy phenylacetic acid methyl ester, hitherto unknown as a natural product, were isolated from Madhuca pasquiery. The structures were established by means of mass and NMR spectroscopy. 
  Reference    Z. Naturforsch. 52c, 295 (1997); received D ecem ber 12 1996/February 12 1997 
  Published    1997 
  Keywords    Madhuca pasquiery, 2, 4-Dihydroxy Phenylacetic Acid Methyl E ster, Platanic Acid, Triterpenoids, Flavonoids 
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 TEI-XML for    default:Reihe_C/52/ZNC-1997-52c-0295.pdf 
 Identifier    ZNC-1997-52c-0295 
 Volume    52