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Cinnamaldehyde is an organic compound with the formula or C₆H₅CH=CHCHO. Occurring naturally as predominantly the trans ( E ) isomer, it gives cinnamon its flavor and odor . [ 1 ] It is a phenylpropanoid that is naturally synthesized by the shikimate pathway . [ 2 ]
The commercial material often contains low levels of 2,6-di-tert-butyl-4-methoxyphenol as a stabilizer. It is a derivative of cinnamaldehyde with a hexyl substituent. One supplier reported that its hexyl cinnamaldehyde (or "hexyl cinnamic aldehyde") contained at least 90% trans isomer. [2]
Cinnamoyl-CoA reductase (EC 1.2.1.44), systematically named cinnamaldehyde:NADP+ oxidoreductase (CoA-cinnamoylating) but commonly referred to by the acronym CCR, is an enzyme that catalyzes the reduction of a substituted cinnamoyl-CoA to its corresponding cinnamaldehyde, utilizing NADPH and H + and releasing free CoA and NADP + in the process. [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 January 2025. Spice from the inner tree bark of several members of genus Cinnamomum This article is about the spice. For the genus of trees where cinnamon originates, see Cinnamomum. For other uses, see Cinnamon (disambiguation). Dried bark strips, bark powder and flowers of the small tree Cinnamomum ...
It is produced by the hydrogenation of cinnamaldehyde. The compound is used in many mechanistic studies. [1] It is a common substrate in organic synthesis. [2] [3]
Aldehyde structure. In organic chemistry, an aldehyde (/ ˈ æ l d ɪ h aɪ d /) is an organic compound containing a functional group with the structure R−CH=O. [1] The functional group itself (without the "R" side chain) can be referred to as an aldehyde but can also be classified as a formyl group.
Cinnamyl alcohol or styron [2] is an organic compound that is found in esterified form in storax, Balsam of Peru, and cinnamon leaves. It forms a white crystalline solid when pure, or a yellow oil when even slightly impure.
The major route, however, is the conversion of cinnamaldehyde into cinnamic acid by the enzyme aldehyde dehydrogenase. Next, the cinnamic acid is transformed into cinnamoyl CoA which is again converted to either cinnamoylglycine by N-acyl transferase or to benzoyl CoA through β-oxidation , the latter being the major route.