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|Section2= }} Grandinin is an ellagitannin. It can be found in ''Melaleuca quinquenervia'' leaves〔Polyphenols of Melaleuca quinquenervia leaves - pharmacological studies of grandinin. Moharram F. A., Marzouk M. S., El-Toumy S. A. A., Ahmed A. A. E. and Aboutabl E. A., Phytotherapy Research, Volume 17 Issue 7, Pages 767-773, 〕 and in oaks species like the North American white oak (''Quercus alba'') and European red oak (''Quercus robur''). It shows antioxydant activity.〔 It is an astringent compound.〔 It is also found in wine, red or white, aged in oak barrels. It is a castalagin glycoside〔, 〕 by binding of the pentose lyxose. It contains a nonahydroxytriphenic acid moiety. It suppresses the phosphorylation of the epidermal growth factor receptor in human colon carcinoma cells.〔 == See also == * Phenolic compounds in wine 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Grandinin」の詳細全文を読む スポンサード リンク
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