PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23305921-1 2013 We previously reported that caffeoyl-amino acidyl-hydroxamic acid (CA-Xaa-NHOH) acted as both a good antioxidant and tyrosinase inhibitor, in particular when caffeic acid was conjugated with proline or amino acids having aromatic ring like phenylalanine. caffeic acid 158-170 tyrosinase Mus musculus 117-127 23305921-5 2013 In addition, derivatives of caffeic acid and sinapic acid efficiently inhibited tyrosinase activity and reduced melanin content in melanocytes Mel-Ab cell. caffeic acid 28-40 tyrosinase Mus musculus 80-90