... . 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 ... Folin-Ciocalteau assay; results are reported in gallic acid equivalents.Gallic acid can also be used as a starting material in ... and helps to protect human cells against oxidative damage. Gallic acid was found to show cytotoxicity against cancer cells, without ...