3,4-Dihydroxybenzaldehyde, also known as protocatechuic aldehyde, is a

phenolic aldehyde Phenolic aldehydes are derivatives of phenol. Phenolic aldehydes can be found in wines and cognacs. Examples : * Hydroxybenzaldehydes * Dihydroxybenzaldehydes * Vanillin and isovanillin * 2,3,4-trihydroxybenzaldehyde can be isolated from ''Ant ...

, a compound released from

cork stopper A stopper, bung, or cork is a cylindrical or conical closure used to seal a container, such as a bottle, tube, or barrel. Description Unlike a lid or bottle cap, which encloses a container from the outside without displacing the inner vo ...

s into wine. It is an isomer of

2,4-dihydroxybenzaldehyde 2,4-Dihydroxybenzaldehyde or β-resorcylaldehyde is a phenolic aldehyde, a chemical compound with the formula C7H6O3. It is an isomer of protocatechuic aldehyde (3,4-dihydroxybenzaldehyde). References

Hydroxybenzaldehydes Resorcinols { ...

. This molecule can be used as a precursor in the

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 ethanolic extract of the vanilla bean. Synthetic vanillin ...

synthesis by biotransformation by cell cultures of ''

Capsicum frutescens ''Capsicum frutescens'' is a wild chili pepper having plant genetics, genetic proximity to the cultivated pepper ''Capsicum chinense'' native to Central America, Central and South America. Pepper cultivars of ''C. frutescens'' can be annual or sh ...

'', a type of Chili pepper. It is also found in the mushroom ''

Phellinus linteus ''Tropicoporus linteus'' is a tropical American mushroom. Its former name ''Phellinus linteus'' is applied wider, including to an East Asian mushroom. Taxonomy ''Polyporus linteus'' was named by Miles Joseph Berkeley and Moses Ashley Curtis an ...

''.

Pharmacological effects

Protocatechuic aldehyde regulates G protein-coupled estrogen receptor-1 (GPER-1) and exhibits protective effects in endothelial dysfunction and atherosclerosis.

Pharmacological effects

References

See also