4-Coumarate, 2-coumarate, benzoate, feruloate and caffeate can also act as acceptors, but more slowly. Involved in the biosynthesis of chlorogenic acid in the root of the sweet potato, Ipomoea batatas.
Shimizu, T. and Kojima, M. Partial purification and characterization of UDPG:t-cinnamate glucosyltransferase in the root of sweet potato, Ipomoea batatas Lam. J. Biochem. (Tokyo)95 (1984) 205–213. [PMID: 6231280]