| Description | Ethyl gallate, also known as ethyl gallic acid or E313, belongs to the class of organic compounds known as galloyl esters. These are organic compounds that contain an ester derivative of 3,4,5-trihydroxybenzoic acid. A gallate ester obtained by the formal condensation of gallic acid with ethanol. Ethyl gallate is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Ethyl gallate is found, on average, in the highest concentration within grape wines and vinegars. Ethyl gallate has also been detected, but not quantified in, fruits and guava. Ethyl gallate is found in Acacia arabica , Acalypha hispida, Acer ginnala, Acer negundo, Acer oblongum, Acer rubrum L. , Acer truncatum, Ailanthus altissima, Alchornea glandulosa, Ampelopsis brevipedunculata , Anacardium occidentale, Pithecellobium clypearia, Bombax malabaricum , Canarium album, Castanea mollissima , Dimocarpus longan, Elaeocarpus tuberculatus, Euphorbia ferganensis, Euphorbia nutans, Excoecaria agallocha, Haematoxylon campechianum , Haematoxylum campechianum, Koelreuteria paniculata, Limonium axillare, Mabea fistulifera, Nymphaea alba, Nymphaea caerulea, Oxalis corniculata , Paeonia anomala, Phyllanthus emblica , Phyllanthus niruri, Phyllanthus sellowianus, Phyllanthus urinaria, Pistacia mexicana, Pistacia weinmannifolia J.Pisson ex.Franch , Rhodiola crenulata, Rhodiola fastigiata, Rhodiola sacra, Rhus chinensis, Rhus coriaria , Syzygium cumini, Tagetes ercta, Terminalia arjuna, Terminalia chebula , Terminalia myriocarpa, Toona sinensis, Toxicodendron vernicifluum and Vitis vinifera. Ethyl gallate was first documented in 1999 (PMID: 10543436). This could make ethyl gallate a potential biomarker for the consumption of these foods (PMID: 24533783) (PMID: 25104086) (PMID: 26137691) (PMID: 16444672). |
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| Structure | CCOC(=O)C1=CC(O)=C(O)C(O)=C1 InChI=1S/C9H10O5/c1-2-14-9(13)5-3-6(10)8(12)7(11)4-5/h3-4,10-12H,2H2,1H3 |
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