Protocatechuic acid (PCA, 3,4-Dihydroxybenzoic acid, Protocatechuate), a dihydroxybenzoic acid, is a type of widely distributed naturally occurring phenolic acid.
Protocatechuic acid (PCA, 3,4-Dihydroxybenzoic acid, Protocatechuate), a dihydroxybenzoic acid, is a type of widely distributed naturally occurring phenolic acid.