Dihydroxybenzoic acid

Dihydroxybenzoic acids (DHBA) are a type of phenolic acids.

There are six main compounds, having all the same molecular formula C7H6O4. Those are:

Orsellinic acid is also a dihydoxybenzoic acid having an extra methyl group.

m-Dihydroxybenzoic acids, also called resorcylic acids, are part of the anaerobic metabolism of bacteria.[1]

References

  1. ^ Anaerobic metabolism of resorcyclic acids (m-dihydroxybenzoic acids) and resorcinol (1,3-benzenediol) in a fermenting and in a denitrifying bacterium. Claudia Kluge, Andreas Tschech and Georg Fuchs, Archives of microbiology, Volume 155, Number 1, pages 68-74, doi:10.1007/BF00291277
Monohydroxybenzoic acids
Dihydroxybenzoic acids
Trihydroxybenzoic acids