PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31139371-8 2019 The free radical-scavenging activity (DPPH-), ferric reducing antioxidant power (FRAP), and beta-carotene-linoleic acid assays revealed the great antioxidant potential of the jam prepared from grape peel extract, which exhibited significant levels of radical-neutralizing activity, especially as determined by the DPPH method with EC50 values ranging from 2.3 +- 0.1 to 3.9 +- 0.1 microg/ml. radical 9-16 F11 receptor Homo sapiens 175-178