PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12199071-2 2001 It was established that preliminary quercetin administration prevened neutral proteinase activation and alpha-2-macroglobulin activity decreasing after 2 h of cobalt chloride influence. Quercetin 36-45 alpha-2-macroglobulin Rattus norvegicus 104-125