Nara Kazuhiro, Miyoshi Takayuki, Honma Tamaki, Koga Hidenori
Calbee Foods Co., Ltd., Saitama.
Biosci Biotechnol Biochem. 2006 Jun;70(6):1489-91. doi: 10.1271/bbb.50552.
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.
从马铃薯（品种：Toyoshiro）的果肉和皮中分离出游离态和结合态酚类物质。皮中的游离态和结合态酚类物质具有较高的1,1-二苯基-2-三硝基苯肼（DPPH）自由基清除活性，而果肉中的酚类物质活性较低。皮中游离态酚类物质中绿原酸和咖啡酸的总量与DPPH自由基清除活性高度相关。阿魏酸被鉴定为皮中结合态酚类物质中的活性自由基清除化合物。因此，马铃薯皮可能是一种有效的抗氧化剂来源。
