Molecular formula C22H18O10 Molar mass 442.37 g/mol Food Sources: green tea, buckweat, grapes.

Epicatechin gallate is a flavan-3-ol, a type of flavonoid, present in green tea[1]. It is also reported in buckwheat[2] and in grape.[3]

REFERENCES

1.Marked reduction in the minimum inhibitory concentration (MIC) of beta-lactams in methicillin-resistant Staphylococcus aureus produced by epicatechin gallate, an ingredient of green tea (Camellia sinensis). Shiota S, Shimizu M, Mizushima T, Ito H, Hatano T, Yoshida T, Tsuchiya T.Biol Pharm Bull. 1999 Dec;22(12):1388-90.

2. Determination of Rutin, Catechin, Epicatechin, and Epicatechin Gallate in Buckwheat Fagopyrum esculentum Moench by Micro-High-Performance Liquid Chromatography with Electrochemical Detection. Ana-Maria Danila, Akira Kotani, Hideki Hakamata, and Fumiyo Kusu, J. Agric. Food Chem., 2007, 55 (4), pp 1139–1143

3.Polymeric proanthocyanidins from grape skins. Jean-Marc Souquet, Véronique Cheynier, Franck Brossaud and Michel Moutounet, Phytochemistry, Volume 43, Issue 2, September 1996, pp. 509-512, doi:10.1016/0031-9422(96)00301-9

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