Main Reaction: phenylalanine >> cinnamic acid

Reference: PubMed ID: 12040106
Authors: Itoh Y, Higeta D, Suzuki A, Yoshida H, Ozeki Y
Title: Excision of transposable elements from the chalcone isomerase and dihydroflavonol 4-reductase genes may contribute to the variegation of the yellow-flowered carnation (Dianthus caryophyllus).
Published: 2002 May

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