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Original Articles

Antioxidative Activity of Bound-Form Phenolics in Potato Peel

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Pages 1489-1491 | Received 11 Oct 2005, Accepted 04 Feb 2006, Published online: 22 May 2014
 

Abstract

Free and bound-form phenolics were isolated from potato (cv. Toyoshiro) flesh and peel. The free and bound-form phenolics in the peel showed high DPPH radical scavenging activity, while those in the flesh showed low activity. The total amount of chlorogenic acid and caffeic acid in the free-form phenolics from the peel was highly correlated with the DPPH radical scavenging activity. Ferulic acid was identified as the active radical scavenging compound in the bound-form phenolics from the peel. The potato peel may therefore offer an effective source of an antioxidative.

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