Methyl gallate is a phenolic compound. It is the
methyl ester
In chemistry, an ester is a compound derived from an oxoacid (organic or inorganic) in which at least one hydroxyl group () is replaced by an alkoxy group (), as in the substitution reaction of a carboxylic acid and an alcohol. Glycerides ...
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 plants ...
.
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 ...
'', ''
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 Zones 5 to 7, but usually remain semi-eve ...
'' (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 epi- ...
''.
It is found in the fruit extract of ''
Paeonia anomala
''Paeonia anomala'' is a species of herbaceous perennial peony. This plant is ½-1 m high, with a thick irregular taproot and thin side roots. The deeply incised leaves have leaflets which are themselves divided in fine segments. It flowers ...
''.
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
The phenolic content in wine refers to the phenolic compounds—natural phenol and polyphenols—in wine, which include a large group of several hundred chemical compounds that affect the taste, color and mouthfeel of wine. These compounds include ...
References
Phenolic acids
Methyl esters
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