Methyl gallate is a phenolic compound. It is the
methyl
In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula (whereas normal methane has the formula ). In formulas, the group is often abbreviated as ...
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 ...
.
Natural occurrences
It is found in ''
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 ...
'', ''
Bergenia ciliata
''Bergenia ciliata'' (fringed elephant's ears, winter begonia, hairy bergenia, Hindi & Sanskrit : ''Pashanbheda'', पाषाणभेद) is a plant species in the genus ''Bergenia'', deciduous in Usda zone, USDA Zones 5 to 7, but usually rema ...
'' (hairy Bergenia) and ''
Geranium niveum
''Geranium niveum'' is a plant species in the genus ''Geranium''.
It is a medicinal herb widely used by the Tarahumara Indians of Mexico.
Geranin A
Geranin A is an A type proanthocyanidin of the propelargonidin sub type. Its structure is ep ...
''.
It is found in the fruit extract of ''
Paeonia anomala''.
It is also found in wine.
[Simultaneous Determination of Nonanthocyanin Phenolic Compounds in Red Wines by HPLC-DAD/ESI-MS. María Monagas, Rafael Suárez, Carmen Gómez-Cordovés and Begoña Bartolomé, Am J Enol Vitic. June 2005, 56, pages 139-147]
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
Gallate esters
Methyl esters
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