PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6182778-4 1982 The inhibitory effect of flavonoids on human platelet function was diminished by saturation of the C-2, C-3 double bond, lack of the C-4 carbonyl, glycosylation at C-3 and a high number of hydroxyl substituents. Flavonoids 25-35 complement C4A (Rodgers blood group) Homo sapiens 133-136