Phenolic aldehydes are derivatives of
phenol
Phenol (also called carbolic acid) is an aromatic organic compound with the molecular formula . It is a white crystalline solid that is volatile. The molecule consists of a phenyl group () bonded to a hydroxy group (). Mildly acidic, it req ...
. Phenolic aldehydes can be found in
wine
Wine is an alcoholic drink typically made from fermented grapes. Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different varieties of grapes and strains of yeasts are m ...
s and
cognac
Cognac ( , also , ) is a variety of brandy named after the Communes of France, commune of Cognac, France. It is produced in the surrounding wine-growing region in the Departments of France, departments of Charente and Charente-Maritime.
Cog ...
s.
Examples :
*
Hydroxybenzaldehyde Hydroxybenzaldehydes are phenolic aldehydes. The term may refer to:
* Salicylaldehyde
Salicylic aldehyde (2-hydroxybenzaldehyde) is the organic compound with the formula (C7 H6 O2) C6H4CHO-2-OH. Along with 3-hydroxybenzaldehyde and 4-hydroxyb ...
s
*
Protocatechuic aldehyde
Protocatechuic aldehyde is a phenolic aldehyde, a compound released from cork stoppers into wine.
This molecule can be used as a precursor in the vanillin synthesis by biotransformation by cell cultures of ''Capsicum frutescens'', a type of Chili ...
*
Vanillin
Vanillin is an organic compound with the molecular formula . It is a phenolic aldehyde. Its functional groups include aldehyde, hydroxyl, and ether. It is the primary component of the extract of the vanilla bean. Synthetic vanillin is now used ...
and
isovanillin
Isovanillin is a phenolic aldehyde, an organic compound and isomer of vanillin. It is a selective inhibitor of aldehyde oxidase. It is not a substrate of that enzyme, and is metabolized by aldehyde dehydrogenase into isovanillic acid, which co ...
*
2,3,4-trihydroxybenzaldehyde can be isolated from ''
Antigonon leptopus
''Antigonon leptopus'' is a species of perennial vine in the buckwheat family commonly known as coral vine or queen's wreath. This clambering vine is characterized by showy, usually pink flowers that can bloom throughout the year and large, hear ...
''.
[Health-Beneficial Phenolic Aldehyde in Antigonon leptopus Tea. Vanisree Mulabagal, Ruby L. Alexander-Lindo, David L. DeWitt and Muraleedharan G. Nair, eCAM, 2009 ]
References
Aldehydes
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