phenylethylamine catabolic process https://github.com/geneontology/go-ontology/issues/31634 MetaCyc:PWY-6534 phenylethylamine degradation GO:0019607 phenylethylamine catabolism biological_process The chemical reactions and pathways resulting in the breakdown of phenylethylamine, an amine with pharmacological properties similar to those of amphetamine, occurs naturally as a neurotransmitter in the brain, and is present in chocolate and oil of bitter almonds. MetaCyc:2PHENDEG-PWY phenylethylamine breakdown biogenic amine catabolic process phenylethylamine metabolic process primary amino compound catabolic process