1,6-Digalloylglucose, or more specifically 1,6-di-''O''-galloyl-β-
D-glucose, is a
gallotannin
A gallotannin is any of a class of molecules belonging to the hydrolysable tannins. Gallotannins are polymers formed when gallic acid, a polyphenol monomer, esterifies and binds with the hydroxyl group of a polyol carbohydrate such as glucose.
Met ...
. It can be found in some oak species.
References
Gallotannins
{{phenol-stub