Succinic acid is an acid present in all living beings, first found in succinium (also called yellow amber), hence its name.
Structure of succinic acid
The structural formula of succinic acid is HOOC-CH2-CH2-COOH. It is therefore a dicarboxylic acid because it contains two carboxylic groups.
Function of succinic acid
Succinic acid is obtained from the fermentation of sugar and is therefore a component in wine, to which it gives a salty, acid, bitter taste. It is also used as a food supplement or as an excipient.
Succinic acid is a biological molecule. © Ben Mills, Wikimedia, public domain