Caryophyllene
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Names | |
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IUPAC names
4,11,11-trimethyl-8-methylene-
bicyclo[7.2.0]undec-4-ene |
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Other names
β-Caryophyllene;
trans-(1R,9S)-8-Methylene-4,11,11-trimethylbicyclo[7.2.0]undec-4-ene |
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Identifiers | |
87-44-5 ![]() |
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ChEBI | CHEBI:10357 ![]() |
ChEMBL | ChEMBL445740 ![]() |
ChemSpider | 4444848 ![]() |
Jmol 3D model | Interactive image |
PubChem | 5281515 |
UNII | BHW853AU9H ![]() |
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Properties | |
C15H24 | |
Molar mass | 204.36 g·mol−1 |
Density | 0.9052 g/cm3 (17 °C)[1] |
Boiling point | 254–257 °C (489–495 °F; 527–530 K)[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references | |
Caryophyllene /ˌkæri.oʊfɪˈliːn/, or (−)-β-caryophyllene, is a natural bicyclic sesquiterpene that is a constituent of many essential oils, especially clove oil, the oil from the stems and flowers of Syzygium aromaticum (cloves),[3] the essential oil of hemp Cannabis sativa,[4] rosemary Rosmarinus oficinalis,[5] and hops.[6] It is usually found as a mixture with isocaryophyllene (the cis double bond isomer) and α-humulene (obsolete name: α-caryophyllene), a ring-opened isomer. Caryophyllene is notable for having a cyclobutane ring, a rarity in nature.
Caryophyllene is one of the chemical compounds that contributes to the spiciness of black pepper. Beta-caryophyllene was shown to be selective agonist of cannabinoid receptor type-2 (CB2) and to exert significant cannabimimetic antiinflammatory effects in mice.[4] Antinociceptive,[7] neuroprotective,[8] anxiolytic and antidepressant [9] and anti-alcoholism [10] activity have been uncovered. Because the widespread plant natural product beta-caryophyllene is an FDA approved food additive and ingested daily with food it is the first dietary cannabinoid. Whether this compound is able to modulate inflammatory processes in humans via the endocannabinoid system is yet unknown. Beta-caryophyllene does not bind to the centrally expressed cannabinoid receptor type-1 (CB1) and therefore does not exert psychotomimetic effects.
The first total synthesis of caryophyllene in 1964 by E.J. Corey was considered one of the classic demonstrations of the possibilities of synthetic organic chemistry at the time.[11]
Caryophyllene oxide, in which the olefin of caryophyllene has become an epoxide, is the component responsible for cannabis identification by drug-sniffing dogs[12][13] and is also an approved food flavoring.[14]
Natural sources
The approximate quantity of caryophyllene in the essential oil of each source is given in square brackets ([ ]):
- Cannabis, hemp, marijuana (Cannabis sativa)[4] [3.8–37.5% of cannabis flower essential oil][15]
- Black Caraway (Carum nigrum) [7.8%][16]
- Cloves (Syzygium aromaticum)[3] [1.7%-19,5% of clove bud essential oil][17][18]
- Hops (Humulus lupulus)[19] [5.1–14.5%][20]
- Basil (Ocimum spp.)[21] [5.3–10.5% O. gratissimum; 4.0–19.8% O. micranthum][22]
- Oregano (Origanum vulgare)[23] [4.9%-15.7][24][25]
- Black pepper (Piper nigrum) [7.29%][26]
- West African Pepper (Piper guineense) [57.59% (black); 51.75% (white)][26]
- Lavender (Lavandula angustifolia) [4.62% of lavender oil][27]
- Rosemary (Rosmarinus officinalis)[5] [0.1–8.3%][28]
- True cinnamon (Cinnamomum zeylanicum) [6.9–11.1%][29]
- Malabathrum (Cinnamomum tamala) [25.3%][30]
- Cananga odorata [3.1%-10.7%][31]
Compendial status
Notes and references
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- ↑ SciFinder Record, CAS Registry Number 87-44-5
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- ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Glenn Tinseth, "Hop Aroma and Flavor", January/February 1993, Brewing Techniques. <http://realbeer.com/hops/aroma.html> Accessed July 21, 2010.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ http://www.thegoodscentscompany.com/data/rw1023631.html
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- ↑ Clove Essential Oil
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ The essential oil of Origanum vulgare L. ssp. vulgare growing wild in vilnius district (Lithuania) Phytochemistry. 2001 May;57(1):65-9.
- ↑ 26.0 26.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ A. Prashar, I. C. Locke, C. S. Evans (2004). Cytotoxicity of lavender oil and its major components to human skin cells. Cell Proliferation 37 (3), 221–229.
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- ↑ Ylang Ylang Essential Oil
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ http://staff.najah.edu/sites/default/files/Within_plant_distribution_and_emission_of_sesquiterpenes_from_Copaifera_officinalis.pdf
- ↑ http://www.rain-tree.com/copaiba.htm
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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