PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24116298-10 2012 Ursolic acid exhibited significant inhibition of DBH (214 mumol/L), weak inhibition of MAO-B (780 mumol/L), and no inhibition against MAO-A. ursolic acid 0-12 monoamine oxidase B Rattus norvegicus 87-92