Cadalene Explained

Cadalene or cadalin (4-isopropyl-1,6-dimethylnaphthalene) is a polycyclic aromatic hydrocarbon with a chemical formula C15H18 and a cadinane skeleton. It is derived from generic sesquiterpenes, and ubiquitous in essential oils of many higher plants.[1]

Cadalene, together with retene, simonellite and ip-iHMN, is a biomarker of higher plants, which makes it useful for paleobotanic analysis of rock sediments.

The ratio of retene to cadalene in sediments can reveal the ratio of the genus Pinaceae in the biosphere.[2]

Notes and References

  1. 10.1590/S0103-50532003000300004. Aliphatic and aromatic hydrocarbons in tropical recent sediments of Campos dos Goytacazes, RJ, Brazil. 2003. Gomes. Alexandre de O.. Azevedo. Débora de A.. Journal of the Brazilian Chemical Society. 14. 3. 358 . free.
  2. Geophysical Research Abstracts. 7. 10201. 2005. Vascular plant biomarkers as ancient vegetation proxies and their stratigraphic use for tracing paleoclimatic changes during Jurassic in Western Europe. Hautevelle, Y. . Michels, R. . Malartre, F. . Trouiller, A. . abstract page.

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