Main Reaction: Cinnamic acid >> 4-Coumaric acid

Reference: PubMed ID: 20607624
Authors: Zhang HC, Liu JM, Chen HM, Gao CC, Lu HY, Zhou H, Li Y, Gao SL
Title: Up-regulation of licochalcone A biosynthesis and secretion by Tween 80 in hairy root cultures of Glycyrrhiza uralensis Fisch.
Published: 2011 Jan

Cinnamic acid --> 4-Coumaric acid