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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク P-Coumaric acid ： ウィキペディア英語版 P-Coumaric acid |Section2= |Section3= }} ''p''-Coumaric acid is a hydroxycinnamic acid, an organic compound that is a hydroxy derivative of cinnamic acid. There are three isomers of coumaric acid—''o''-coumaric acid, ''m''-coumaric acid, and ''p''-coumaric acid—that differ by the position of the hydroxy substitution of the phenyl group. ''p''-Coumaric acid is the most abundant isomer of the three in nature. ''p''-Coumaric acid exists in two forms ''trans-p''-coumaric acid and ''cis-p''-coumaric acid''. It is a crystalline solid that is slightly soluble in water, but well soluble in ethanol and diethyl ether. Together with sinapyl alcohol and coniferyl alcohols, ''p''-coumaric acid is a major component of lignin. == Natural occurrences == ''p''-Coumaric acid can be found in ''Gnetum cleistostachyum''. 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「P-Coumaric acid」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.