Digallic acid
Encyclopedia
Digallic acid is a polyphenolic compound found in Pistacia lentiscus. Digallic acid is also present in the molecule of tannic acid
. Digalloyl esters involve either -meta or -para depside
bonds.
Tannase
is an enzyme that uses digallate to produce gallic acid
.
Tannic acid
Tannic acid is a specific commercial form of tannin, a type of polyphenol. Its weak acidity is due to the numerous phenol groups in the structure...
. Digalloyl esters involve either -meta or -para depside
Depside
A depside is a type of polyphenolic compound composed of two or more monocyclic aromatic units linked by an ester bond. Depsides are most often found in lichens, but have also been isolated from higher plants, including species of the Ericaceae, Lamiaceae, Papaveraceae and Myrtaceae. Depsides have...
bonds.
Tannase
Tannase
In enzymology, a tannase is an enzyme that catalyzes the chemical reactionThus, the two substrates of this enzyme are digallate and H2O, whereas its product is gallate....
is an enzyme that uses digallate to produce gallic acid
Gallic acid
Gallic acid is a trihydroxybenzoic acid, a type of phenolic acid, a type of organic acid, also known as 3,4,5-trihydroxybenzoic acid, found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants. The chemical formula is C6H23COOH. Gallic acid is found both free and as part of...
.