has role is protonated form of has functional parent EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor geroprotector antioxidant ellagic acid(2-) lactone tannin gallic acid catechols antineoplastic agent organic heterotetracyclic compound cyclic ketone ellagic acid CHEBI:4775 An organic heterotetracyclic compound resulting from the formal dimerisation of gallic acid by oxidative aromatic coupling with intramolecular lactonisation of both carboxylic acid groups of the resulting biaryl. It is found in many fruits and vegetables, including raspberries, strawberries, cranberries, and pomegranates. EC 5.99.1.2 (DNA topoisomerase) inhibitor EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor EC 1.14.18.1 (tyrosinase) inhibitor food additive EC 2.5.1.18 (glutathione transferase) inhibitor plant metabolite fungal metabolite EC 2.3.1.5 (arylamine N-acetyltransferase) inhibitor EC 2.4.1.1 (glycogen phosphorylase) inhibitor EC 2.7.1.127 (inositol-trisphosphate 3-kinase) inhibitor EC 2.7.1.151 (inositol-polyphosphate multikinase) inhibitor EC 2.7.4.6 (nucleoside-diphosphate kinase) inhibitor skin lightening agent