Ethyl gallate is a
food additive
Food additives are substances added to food to preserve flavor or enhance taste, appearance, or other sensory qualities. Some additives, such as vinegar ( pickling), salt ( salting), smoke ( smoking) and sugar ( crystallization), have been used f ...
with
E number
E numbers, short for Europe numbers, are codes for substances used as food additives, including those found naturally in many foods, such as vitamin C, for use within the European Union (EU) and European Free Trade Association (EFTA). Commonly ...
E313. It is the
ethyl ester
In chemistry, an ester is a compound derived from an acid (either organic or inorganic) in which the hydrogen atom (H) of at least one acidic hydroxyl group () of that acid is replaced by an organyl group (R). These compounds contain a distin ...
of
gallic acid
Gallic acid (also known as 3,4,5-trihydroxybenzoic acid) is a trihydroxybenzoic acid with the formula C6 H2( OH)3CO2H. It is classified as a phenolic acid. It is found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plant ...
. Ethyl gallate is added to food as an antioxidant.
Though found naturally in a variety of plant sources including
walnut
A walnut is the edible seed of any tree of the genus '' Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. They are accessory fruit because the outer covering of the fruit is technically an i ...
s ''
Terminalia myriocarpa
''Terminalia myriocarpa'', the East Indian almond, is a tree species in the genus ''Terminalia'' found in Southeast Asia.
Ecology
The larvae of the moth '' Acrocercops terminaliae'' feed on ''T. myriocarpa''.
Chemistry
The phenolic compounds m ...
'' or chebulic myrobolan (''
Terminalia chebula
''Terminalia chebula'', commonly known as black- or chebulic myrobalan, is a species of ''Terminalia'', native to South Asia from Pakistan,
India and Nepal east to southwest China (Yunnan), and south to Sri Lanka, Malaysia, and Vietnam.Flora of ...
''), ethyl gallate is produced from gallic acid and
ethanol
Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula . It is an Alcohol (chemistry), alcohol, with its formula also written as , or EtOH, where Et is the ps ...
. It can be found in wine.
See also
*
Phenolic content in wine
Phenolic compounds— natural phenol and polyphenols—occur naturally in wine. These include a large group of several hundred chemical compounds that affect the taste, color and mouthfeel of wine. These compounds include phenolic acids, stilb ...
References
Food antioxidants
Gallate esters
Ethyl esters
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