Branched Alkanes and Other Apolar Compounds Produced by the Cyanobacterium Microcoleus vaginatus from the Negev Desert

  • Dembitsky V
  • Dor I
  • Shkrob I
 et al. 
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Gas chromatography-mass spectrometry on serially coupled capillary columns with different polarity of stationary phases showed that the soil cyanobacterium Microcoleus vaginatus from the Negev desert produces an unusual mixture of 4 normal and more than 60 branched alkanes, as well as a number of fatty acids, cyclic and unsaturated hydrocarbons, aldehydes, alcohols, and ketones. The dominant compounds were heptadecane (12%), 7-methylheptadecane (7.8%), hexadecanoic acid (6.5%), (Z)-9-hexadecenoic acid (5.6%), 4-ethyl-2,2,6,6-tetramethylheptane (2.8%), (Z)-9-octadecenoic acid (2.8%), and 4-methyl-5-propylnonane (2.7%).

Author-supplied keywords

  • Alcohols
  • Aldehydes
  • Branched alkanes
  • Fatty acids
  • Gas chromatography-mass spectrometry
  • Ketones
  • Microcoleus vaginatus
  • Soil cyanobacteria

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  • V. M. Dembitsky

  • I. Dor

  • I. Shkrob

  • M. Aki

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