Basic information

Gallic acid is a trihydroxybenzoic acid found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants.
Gallic acid is found both free and as part of hydrolyzable tannins. The gallic acid groups are usually bonded to form dimers such as ellagic acid. Hydrolyzable tannins break down on hydrolysis to give gallic acid and glucose or ellagic acid and glucose, known as gallotannins and ellagitannins respectively.
Specification

Application

1. Applied in food filed, gallic acid can be produced into wine, canned, condensed juice and other more nourishment;
2. Applied in the cosmetic industry, gallic acid used as active ingredients of skin care products;
3. Widely applied in pharmaceutical grade
4. Applied in dyes, chemicals, and organic synthesis, as well as in the analysis of rare metals.