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Terpene

Not to be confused with Terpin.
Many terpenes are derived commercially from conifer resins, such as those made by this pine.

Terpenes (/ˈtɜːrpiːn/) are a class of natural products consisting of compounds with the formula (C5H8)n for n ≥ 2. Terpenes are major biosynthetic building blocks. Comprising more than 30,000 compounds, these unsaturated hydrocarbons are produced predominantly by plants, particularly conifers.[1][2][3] In plants, terpenes and terpenoids are important mediators of ecological interactions, while some insects use some terpenes as a form of defense. Other functions of terpenoids include cell growth modulation and plant elongation, light harvesting and photoprotection, and membrane permeability and fluidity control.

Terpenes are classified by the number of carbons: monoterpenes (C10), sesquiterpenes (C15), diterpenes (C20), as examples. The terpene alpha-pinene is a major component of the common solvent, turpentine.

The one terpene that has major applications is natural rubber (i.e., polyisoprene). The possibility that other terpenes could be used as precursors to produce synthetic polymers has been investigated. Many terpenes have been shown to have pharmacological effects. Terpenes are also components of some traditional medicines, such as aromatherapy, and as active ingredients of pesticides in agriculture.[4]

  1. ^ Eberhard Breitmaier (2006). Terpenes: Flavors, Fragrances, Pharmaca, Pheromones. Wiley-VCH. doi:10.1002/9783527609949. ISBN 9783527609949.
  2. ^ Cite error: The named reference Crot was invoked but never defined (see the help page).
  3. ^ "What are Terpenes". rareterpenes.com. 13 April 2021.
  4. ^ Stoker, H. Stephen (2007). General, Organic, and Biological Chemistry, 4th edition. Houghton Mifflin Company. p. 337. ISBN 978-0-618-73063-6.

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