What is "gallagic acid"

n. (context organic compound English) A polyphenolic chemical compound found in the ellagitannins of ''Punica granatum'' (the pomegranate); a building block of punicalagin, punicalin, punicacortein C and 2-O-galloyl-punicalin.

Gallagic acid is a polyphenolic chemical compound that can be found in the ellagitannins, a type of tannin, found in Punica granatum (pomegranate). It is a building block of the corresponding tannin punicalagin, punicalin, punicacortein C and 2-O-galloyl-punicalin.