Caffeic acid phenethyl ester (CAPE) is a
natural phenol
In biochemistry, naturally occurring phenols are natural products containing at least one phenol functional group. Phenolic compounds are produced by plants and microorganisms. Organisms sometimes synthesize phenolic compounds in response to eco ...
ic chemical compound. It is the
ester of
caffeic acid and
phenethyl alcohol
Phenethyl alcohol, or 2-phenylethanol, is the organic compound that consists of a phenethyl group (C6H5CH2CH2) attached to OH. It is a colourless liquid that is slightly soluble in water (2 ml/100 ml H2O), but miscible with most organic solvents. ...
.
Natural occurrences
CAPE is found in a variety of plants. It is also a component of
propolis from
honeybee hives
Hives, also known as urticaria, is a kind of skin rash with red, raised, itchy bumps. Hives may burn or sting. The patches of rash may appear on different body parts, with variable duration from minutes to days, and does not leave any long-lasti ...
.
Potential pharmacology
A variety of ''
in vitro
''In vitro'' (meaning in glass, or ''in the glass'') studies are performed with microorganisms, cells, or biological molecules outside their normal biological context. Colloquially called "test-tube experiments", these studies in biology and ...
'' pharmacology and effects in
animal model
An animal model (short for animal disease model) is a living, non-human, often genetic-engineered animal used during the research and investigation of human disease, for the purpose of better understanding the disease process without the risk of ha ...
s have been reported for CAPE, but their clinical significance is unknown. It has
antimitogenic, anticarcinogenic,
anti-inflammatory
Anti-inflammatory is the property of a substance or treatment that reduces inflammation or swelling. Anti-inflammatory drugs, also called anti-inflammatories, make up about half of analgesics. These drugs remedy pain by reducing inflammation as ...
, and
immunomodulator
Immunotherapy or biological therapy is the treatment of disease by activating or suppressing the immune system. Immunotherapies designed to elicit or amplify an immune response are classified as ''activation immunotherapies,'' while immunotherap ...
y properties ''in vitro''.
Another study also showed that CAPE suppresses
acute
Acute may refer to:
Science and technology
* Acute angle
** Acute triangle
** Acute, a leaf shape in the glossary of leaf morphology
* Acute (medicine), a disease that it is of short duration and of recent onset.
** Acute toxicity, the adverse eff ...
immune
In biology, immunity is the capability of multicellular organisms to resist harmful microorganisms. Immunity involves both specific and nonspecific components. The nonspecific components act as barriers or eliminators of a wide range of pathogens ...
and
inflammatory
Inflammatory may refer to:
* Inflammation, a biological response to harmful stimuli
* The word ''inflammatory'' is also used to refer literally to fire and flammability, and figuratively in relation to comments that are provocative and arouse pas ...
responses ''in vitro''.
This anti-cancer effect was also seen when mice skin was treated with bee propolis and exposed to
TPA, a chemical that induced skin
papilloma
A papilloma (plural papillomas or papillomata) ('' papillo-'' + ''-oma'') is a benign epithelial tumor growing exophytically (outwardly projecting) in nipple-like and often finger-like fronds. In this context, papilla refers to the projection cr ...
s. CAPE significantly reduced the number of papillomas.
Recent study suggest that CAPE can also help in reducing oxidative stress caused by traumatic brain injury.
References
{{Hydroxycinnamic acid
Hydroxycinnamic acid esters