Costantino, L Activity of polyphenolic crude extracts as scavengers of superoxide radicals and inhibitors of xanthine oxidase. [electronic resource] - Planta medica Aug 1992 - 342-4 p. digital Publication Type: Journal Article ISSN: 0032-0943 Standard No.: 10.1055/s-2006-961481 doi Subjects--Topical Terms: FlavonoidsFree Radical ScavengersPhenols--pharmacologyPlant Extracts--pharmacologyPolymers--pharmacologyPolyphenolsSuperoxides--antagonists & inhibitorsXanthine Oxidase--antagonists & inhibitors