Fertaric acid is a
hydroxycinnamic acid
Hydroxycinnamic acids (hydroxycinnamates) are a class of aromatic acids or phenylpropanoids having a C6–C3 skeleton. These compounds are hydroxy derivatives of cinnamic acid.
In the category of phytochemicals that can be found in food, there ...
found in wine and grapes.
It is an ester formed from
ferulic acid
Ferulic acid is a hydroxycinnamic acid, an organic compound with the formula (CH3O)HOC6H3CH=CHCO2H. The name is derived from the genus ''Ferula'', referring to the giant fennel (''Ferula communis''). Classified as a phenolic phytochemical, ferulic ...
bound to
tartaric acid
Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes, but also in bananas, tamarinds, and citrus. Its salt, potassium bitartrate, commonly known as cream of tartar, develops naturally i ...
.
It is a metabolite of
caftaric acid
Caftaric acid is a non-flavonoid phenolic compound.
It is found in the juice of grapes (''Vitis vinifera'') and impacts the color of white wine.
It is an esterified phenolic acid, composed of caffeic acid, a hydroxycinnamate produced by plants ...
after caftaric acid has been fed to rats. Fertaric acid is then found in plasma, kidney, and urine.
References
O-methylated hydroxycinnamic acids
Hydroxycinnamic acid esters
Vinylogous carboxylic acids
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