Description
Ethyl gallate is a food additive with E number E313. It is the ethyl ester of gallic acid. Ethyl gallate is added to food as an antioxidant.
Though found naturally in a variety of plant sources including walnuts
Terminalia myriocarpa or chebulic myrobolan (Terminalia chebula).
Ethyl gallate is produced from gallic acid and ethanol. It can be found in wine.
Chemical Properties
white to slightly beige fine powder
Uses
Ethyl Gallate is an apoptotic agent as a polyphenol compound. Antiproliferative.
Definition
ChEBI: A gallate ester obtained by the formal condensation of gallic acid with ethanol.
General Description
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
Purification Methods
Recrystallise the gallate from 1,2-dichloroethane, UV: max (neutral species) 275nm ( 10 000), (anion) 235nm ( 10 300), 279nm ( 11 400) and 324nm ( 8 500) [Campbell & Coppinger J Am Chem Soc 73 2708 1951]. [Beilstein 10 IV 2002.]
