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Journal of Chemical Ecology

, Volume 21, Issue 8, pp 1191–1215 | Cite as

Mammalian exocrine secretions: IX. Constituents of preorbital secretion of oribi,Ourebia, ourebi

  • W. -P. Mo
  • B. V. Burger
  • M. LeRoux
  • H. S. C. Spies
Article

Abstract

Using gas chromatography-mass spectrometry in conjunction with ancillary techniques such as chemical ionization with different reactant gases, determination of the position of double bonds by means of dimethyl disulfide derivatization, and finally gas chromatographic and mass spectrometric comparison with authentic synthetic material, 75 constituents were identified in the preorbital secretion of the male oribi,Ourebia ourebi. The secretion contains compounds with long-chain, unbranched structures similar to those found in many other preorbital secretions but with a finite volatility range, in contrast to the seemingly endlessly increasing chain lengths typical of other preorbital secretions.

Key Words

Ourebia ourebi Bovidae mammalian semiochemicals mammalian pheromones exocrine secretion preorbital secretion dimethyl disulfide derivatization skipped dienes chemical-ionization mass spectrometry NMR 

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Copyright information

© Plenum Publishing Corporation 1995

Authors and Affiliations

  • W. -P. Mo
    • 1
  • B. V. Burger
    • 1
  • M. LeRoux
    • 1
  • H. S. C. Spies
    • 1
  1. 1.Laboratory for Ecological Chemistry Department of ChemistryUniversity of StellenboschStellenboschSouth Africa

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