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'Epicuticular Wax Composition' in keywords Facet   Publication Year 1988  [X]
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1Author    Paul-Gerhard Gülz, Jutta Bodden, Edith Müller, Franz-Josef MarnerRequires cookie*
 Title    Epicuticular Wax of Euphorbia aphylla Brouss. ex. Willd., Euphorbiaceae  
 Abstract    Quantity and composition of epicuticular wax of Euphorbia aphylla were examined. The wax contained the common lipid components «-alkanes, wax esters, pr. alcohols, fatty acids and in traces aldehydes and acetates all occurring in homologous series. Additionally, several triter-penols such as ß-amyrin, a-amyrin, lupeol and simiarenol were found. With the exception of simiarenol these triterpenols occurred free as well as esterified with acetic acid and fatty acids. The ketones, oleanen-3-one, ursen-3-one and lupen-3-one have also been identified. 
  Reference    Z. Naturforsch. 43c, 19—23 (1988); received September 8/October 8 1987 
  Published    1988 
  Keywords    aphylla, Epicuticular Wax Composition, Triterpenols, Triterpenones, Triterpenol Esters 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0019.pdf 
 Identifier    ZNC-1988-43c-0019 
 Volume    43 
2Author    Sabine Hennig, Paul-Gerhard Gülz, Kurt HängstRequires cookie*
 Title    Organ Specific Composition of Epicuticular Waxes of C is tus albidus L., Cistaceae  
 Abstract    Epicuticular waxes from various organs of Cistus albidus L. showed always an organ specific composition. Leaf wax contained homologous series of very long chained and saturated wax components, such as hydrocarbons, wax esters, fatty acids and alcohols. Additionally in this wax extract triterpenoids and great amounts of resin were found. Sepal wax had nearly the same wax composi-tion like that of leaves with a trend to shorter chain lengths and not so great amounts of resin. Petal wax contained the common wax lipids, too, but the homologous series showed a shift to shorter chain lengths, and great amounts of unsaturated lipids were found in hydrocarbons, wax esters and fatty acids. In addition triterpenol esters were found but no resin. Stamen wax was similar to that of petals. The shift to shorter chain lengths and the presence of great amounts of unsaturated lipids showed a characteristic distribution for stamens. Seed wax contained only saturated wax lipids. In contrast to leaf waxes, the short chain com-pounds were dominating, and triterpenoids and resin were missing. The chemical wax composition of the various organs of C. albidus was correlated to the surface structures of these organs by SEM pictures. 
  Reference    Z. Naturforsch. 43c, 806—812 (1988); received August 25 1988 
  Published    1988 
  Keywords    Cistus albidus, Epicuticular Wax Composition, Organ Specific Patterns 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0806.pdf 
 Identifier    ZNC-1988-43c-0806 
 Volume    43