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1992 (1)
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1Author    Gerhard Kasang, Leopold Von Proff, Michael NichollsRequires cookie*
 Title    Enzymatic Conversion and Degradation of Sex Pheromones in Antennae of the Male Silkworm Moth Antheraea polyphemus  
 Abstract    In living antennae of the male silkworm moth Antheraea polyphemus the pheromone com-pounds [6,7-3 H]-6,ll-hexadecadienyl acetate and [12,13-3 H]-10,12-hexadecadienol are enzymati-cally converted to their corresponding fatty alcohols, aldehydes, acids and long-chained fatty acid esters. In antennae of freshly hatched moths the 3 H-labeled pheromones are degraded at high rates to volatile polar metabolites. The half-life of the pheromone acetate is about 3 min. In dried antennae the pheromone acetate is merely hydrolyzed to the fatty alcohol. 
  Reference    Z. Naturforsch. 43c, 275—284 (1988); received December 14 1987/January 25 1988 Dedicated to 
  Published    1988 
  Keywords    birthday Moth, Antennae, Pheromones, Metabolites, Enzymes 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0275.pdf 
 Identifier    ZNC-1988-43c-0275 
 Volume    43 
2Author    Gerhard Kasang, Michael Nicholls, Thomas Keil, Sudha KanaujiaRequires cookie*
 Title    Enzymatic Conversion of Sex Pheromones in Olfactory Hairs of the Male Silkworm Moth Antheraea polyphemus  
 Abstract    The sex pheromone compound [6,7-3H]-6,ll-hexadecadienyl acetate is enzymatically converted to its corresponding fatty alcohol, aldehyde and acid in living and homogenized olfactory hairs and in other parts of the antennae of the male silk-moth Antheraea polyphemus. The pheromone is metabolized in vitro mainly in the inner hydrophilic compartments, but scarcely in the outer hydrophobic cuticle of the olfactory hairs. 
  Reference    Z. Naturforsch. 44c, 920—926 (1989); received July 12 1989 
  Published    1989 
  Keywords    Moth, Antennae, Olfactory Hairs, Pheromones, Metabolites 
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 TEI-XML for    default:Reihe_C/44/ZNC-1989-44c-0920.pdf 
 Identifier    ZNC-1989-44c-0920 
 Volume    44 
3Author    Barbara Schaller, Bernd Schneider, HorstRobert SchütteRequires cookie*
 Title    Metabolism of the Herbicide Bromoxynil in Hordeum vulgare and Stellaria media  
 Abstract    The metabolism of [3,5-14C]3,5-dibromo-4-hydroxybenzonitrile (bromoxynil) was studied in Hordeum vulgare and Stellaria media. In excised barley seedlings the time course of metabolism was followed over 48 h and the distribution of radioactivity to various metabolic fractions measured. The metabolites, sepa­ rated by TLC and HPLC, were identified by chemical and spectrometric methods. Bromo-hydroquinone and 2,6-dibromohydroquinone were found, indicating partly debromination and replacement of the nitrile group by hydroxyl. The major parts of bromoxynil and of the metabolites were recovered in glucosidic conjugates. In Stellaria media the same metabolites as in Hordeum vulgare were determined. Additional­ ly, metabolites of unknown structures without bromine were detected. 
  Reference    Z. Naturforsch. 47c, 126—131 (1992); received June 18/August 21 1991 
  Published    1992 
  Keywords    Herbicide, Bromoxynil, Metabolites, Structural Elucidation, Hordeum vulgare, Stellaria media 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0126.pdf 
 Identifier    ZNC-1992-47c-0126 
 Volume    47