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Carvacrol

Carvacrol
Carvacrol
Names
Preferred IUPAC name
2-Methyl-5-(propan-2-yl)phenol
Other names
5-Isopropyl-2-methylphenol
2-Methyl-5-(1-methylethyl)phenol
Identifiers
499-75-2 YesY
3D model (Jmol) Interactive image
ChEMBL ChEMBL281202 YesY
ChemSpider 21105867 YesY
ECHA InfoCard 100.007.173
2497
KEGG C09840 YesY
PubChem 10364
UNII 9B1J4V995Q YesY
Properties
C10H14O
Molar mass 150.217 g/mol
Density 0.9772 g/cm3 at 20 °C
Melting point 1 °C (34 °F; 274 K)
Boiling point 237.7 °C (459.9 °F; 510.8 K)
insoluble
Solubility soluble in ethanol, diethyl ether, carbon tetrachloride, acetone
-109.1·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
YesY  (what is YesYN ?)
Infobox references

Carvacrol, or cymophenol, C6H3CH3(OH)(C3H7), is a monoterpenoid phenol. It has a characteristic pungent, warm odor of oregano.

Carvacrol is present in the essential oil of Origanum vulgare (oregano), oil of thyme, oil obtained from pepperwort, and wild bergamot. The essential oil of Thyme subspecies contains between 5% and 75% of carvacrol, while Satureja (savory) subspecies have a content between 1% and 45%. Origanum majorana (marjoram) and Dittany of Crete are rich in carvacrol, 50% and 60-80% respectively.

It is also found in tequila.

Carvacrol inhibits the growth of several bacteria strains, e.g. Escherichia coli and Bacillus cereus. Its low toxicity together with its pleasant taste and smell suggests its use as a food additive to prevent bacterial contamination. In Pseudomonas aeruginosa it causes damages to the cell membrane of these bacteria and, unlike other terpenes, inhibits their proliferation. The cause of the antimicrobial properties is believed to be disruption of the bacteria membrane.
It is a potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). Application of carvacrol on the human tongue, as well as activation of TRPV3, causes a sensation of warmth. In addition, carvacrol also activates, but then rapidly desensitizes, the pain receptor TRPA1; this explains its pungency.


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