Main Reaction: cinnamic acid >> Coumaric acid

Reference: PubMed ID: 25799516
Authors: Wei H, Chen X, Zong X, Shu H, Gao D, Liu Q
Title: Comparative transcriptome analysis of genes involved in anthocyanin biosynthesis in the red and yellow fruits of sweet cherry (Prunus avium L.).
Published: 2015 Mar 23

cinnamic acid --> Coumaric acid