Cinnamic acid
Cinnamic Acid
Cinnamic acid (pronunciation: sin-uh-mik as-id) is a white crystalline organic compound with the formula C9H8O2. It is slightly soluble in water and freely soluble in many organic solvents. It exists naturally in a number of plants and is a central intermediate compound in the biosynthesis of numerous naturally occurring aromatic compounds.
Etymology
The term "Cinnamic acid" is derived from the Latin cinnamomum, meaning cinnamon, as the compound can be obtained from cinnamon oil.
Chemical Structure
Cinnamic acid consists of a phenyl group attached to a vinyl group. It is an unsaturated carboxylic acid that contributes to the aroma of some plants, including cinnamon.
Biosynthesis
In plants, cinnamic acid is a key intermediate in the Phenylpropanoid pathway, which is involved in the biosynthesis of lignin, flavonoids, and other important plant compounds.
Uses
Cinnamic acid is used in flavorings, synthetic indigo, and certain pharmaceuticals. A major use is in the manufacturing of the methyl, ethyl, and benzyl esters for the perfume industry.
Related Compounds
Cinnamic acid is related to a number of other aromatic compounds and acids, including:
Health Effects
Cinnamic acid has been described as an allergen and skin sensitizer, and can cause contact dermatitis in some individuals.
See Also
External links
- Medical encyclopedia article on Cinnamic acid
- Wikipedia's article - Cinnamic acid
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