PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7857510-4 1994 The MAO inhibiting fraction contained hypericins as well as flavonols, the COMT-inhibition fraction being mainly flavonols and xanthones. Xanthones 127-136 catechol-O-methyltransferase Homo sapiens 75-79