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1974 (2)
1Author    Jürgen Jacob, Jens PoltzRequires cookie*
 Title    Bürzeldrüsensekrete von Spechten (Piciformes) The Uropygial Gland Secretion of Woodpeckers (Piciformes)  
 Abstract    The uropygial gland secretion of the blade (Dryocopus martius) and the green woodpecker (Picus viridis) is a mixture of monoester waxes. These are composed mainly of 3-methyl-branched fatly acids and n-and well as 3-methyl-alkanols. Besides 3,x-dimethyl-and 3,7,11-trimethyl-sub-stituted fatty acids and monomethyl-branched alcohols with anteiso configuration and 3,z-dimethyl-substituted alkanols occur (x = 7,9,11,13,15,17). 
  Reference    (Z. Naturforsch. 29c, 236 [1974]; eingegangen am 18. Februar 1974) 
  Published    1974 
  Keywords    Uropygial Gland Fat, Piciformes, Fatty Acids, Alkanols 
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 TEI-XML for    default:Reihe_C/29/ZNC-1974-29c-0236.pdf 
 Identifier    ZNC-1974-29c-0236 
 Volume    29 
2Author    Jens Poltz, Jürgen JacobRequires cookie*
 Title      
 Abstract    The uropygial gland fats from four species of the family Corvidae are found to be mainly mono­ ester waxes, which consist of mono-, di-, and trimethyl substituted fatty acids and n-and methyl-branched alcohols. The positions of all methyl brandlings are even-numbered, the 2-position is preferred. About 2 — 40% of the secretions consist of triester waxes: Alkyl-hydroxy-malonic acids esterified with n-fatty acids and n-alcohols. Waxes of this type are very common in the uropygial gland fats of birds and therefore, in opposite to the monoester waxes, they are not usable for a chemotaxo­ nomy of birds. 
  Reference    (Z. Naturforsch. 29c, 239 [1974]; eingegangen am 18. Februar 1974) 
  Published    1974 
  Keywords    Uropygial Gland Fat, Chemotaxonomy of Birds, Corvidae, Fatty acids, Alkanols 
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 TEI-XML for    default:Reihe_C/29/ZNC-1974-29c-0239.pdf 
 Identifier    ZNC-1974-29c-0239 
 Volume    29