EC 3.1.1.20     
Accepted name: tannase
Reaction: digallate + H2O = 2 gallate
Glossary: gallate = 3,4,5-trihydroxybenzoate
digallate = 3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyloxy)benzoate
Other name(s): tannase S; tannin acetylhydrolase
Systematic name: tannin acylhydrolase
Comments: Also hydrolyses ester links in other tannins.
References:
1.  Dyckerhoff, H. and Armbruster, R. Zur Kenntnis der Tannase. Hoppe-Seyler's Z. Physiol. Chem. 219 (1933) 38–56.
[EC 3.1.1.20 created 1961]