has role metabolite carbonyl compound fatty acid derivative ketone body A carbonyl compound produced as a water-soluble byproduct when fatty acids are broken down for energy in the liver. There are three endogenous ketone bodies: acetone, acetoacetic acid, and (R)-3-hydroxybutyric acid; others may be produced as a result of the metabolism of synthetic triglycerides. CHEBI:73693 PMID:10634967 PMID:19159745 PMID:22259088 PMID:22268909 PMID:22524563 PMID:22879057 PMID:23082721 PMID:23148246 PMID:23396451 PMID:23466063 PMID:23557707 Wikipedia:Ketone_body chebi_ontology ketone bodies