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Germacrene

Group of naturally occurring hydrocarbons

Group of naturally occurring hydrocarbons

Germacrenes are a group of five naturally occurring volatile organic hydrocarbons of the sesquiterpene and cycloalkene class. Germacrenes are typically produced in a number of plant species for their antimicrobial and insecticidal properties, though they also play a role as insect pheromones. Two prominent molecules are germacrene A and germacrene D.

Structures

Germacrene has five isomers.

Germacrene AGermacrene BGermacrene CGermacrene DGermacrene E

Natural occurrences

The essential oils of deadnettles (genus Lamium), hedgenettles (genus Stachys), and Clausena anisata are characterized by their high contents of germacrene D. Germacrene B is a major component of patchouli oil.

References

References

  1. (2005). "Composition of the essential oils and ''in vivo'' emission of volatiles of four ''[[Lamium]]'' species from Italy: ''L. purpureum'', ''L. hybridum'', ''L. bifidum'' and ''L. amplexicaule''". Food Chemistry.
  2. (2005-11-01). "Essential oils composition of ''[[Stachys byzantina]]'', ''S. inflata'', ''S. lavandulifolia'' and ''S. laxa'' from Iran". Flavour and Fragrance Journal.
  3. (1992). "An additional constituent occurring in the oil from a patchouli cultivar". Flavour and Fragrance Journal.
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alkene-derivatives sesquiterpenes cycloalkenes multiple-chemboxes
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