Term Name:	caffeic acid
Synonyms:	3-(3,4-dihydroxyphenyl)prop-2-enoic acid
Definition:	A hydroxycinnamic acid that is cinnamic acid in which the phenyl ring is substituted by hydroxy groups at positions 3 and 4. It exists in cis and trans forms; the latter is the more common.
Ontology:	ChEBI [CHEBI:36281]  ( EBI )