2002•Huadong Li-Gong Daxue xuebaoRequires access

Scavenging Activity of Procyanidins on Free Radicals

Yu Ying

Abstract

The purified procyanidins were obtained from grape seeds and its scavenging activity on DPPH and hydroxyl radicals was determined. The results showed that the 50% scavenging concentration ( EC 50 ) was 44mg/L in the DPPH and 80 percentage hydroxyl radicals was scavenged when the concentration was 10g/L. These results suggested that procyanidins would be a effective natural free radical scavenger.

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Key concepts: Scavenger, Scavenging, Radical, Chemistry, DPPH, Free radical scavenger, Antioxidant, Organic chemistry